Home / 7,438.23-10,265.13-4,251.69

Finding the Fourth Proportional to 7,438.23, 10,265.13 and 4,251.69

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Solution

The fourth proportional to 7,438.23, 10,265.13 and 4,251.69 is: 5,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.23 : 10,265.13 = 4,251.69 : x
  2. Step 2: Convert to fraction form
    7,438.23/10,265.13 = 4,251.69/x
  3. Step 3: Cross multiply
    7,438.23x = 10,265.13 × 4,251.69
  4. Step 4: Simplify right side
    7,438.23x = 43,644,150.57
  5. Step 5: Solve for x
    x = 43,644,150.57/7,438.23
  6. Step 6: Final answer
    x = 5,867.55

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Half scale
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Double scale
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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.