Home / 7,438.76-10,265.15-4,081.49

Finding the Fourth Proportional to 7,438.76, 10,265.15 and 4,081.49

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Solution

The fourth proportional to 7,438.76, 10,265.15 and 4,081.49 is: 5,632.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.76 : 10,265.15 = 4,081.49 : x
  2. Step 2: Convert to fraction form
    7,438.76/10,265.15 = 4,081.49/x
  3. Step 3: Cross multiply
    7,438.76x = 10,265.15 × 4,081.49
  4. Step 4: Simplify right side
    7,438.76x = 41,897,127.63
  5. Step 5: Solve for x
    x = 41,897,127.63/7,438.76
  6. Step 6: Final answer
    x = 5,632.27

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Find fourth proportional to 3,719.38, 5,132.57 and 2,040.75
Half scale
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Double scale
Find fourth proportional to 7,439.76, 10,266.53 and 4,082.49
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.