Home / 7,537.30-10,401.47-4,180.15

Finding the Fourth Proportional to 7,537.30, 10,401.47 and 4,180.15

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Solution

The fourth proportional to 7,537.30, 10,401.47 and 4,180.15 is: 5,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,537.30 : 10,401.47 = 4,180.15 : x
  2. Step 2: Convert to fraction form
    7,537.30/10,401.47 = 4,180.15/x
  3. Step 3: Cross multiply
    7,537.30x = 10,401.47 × 4,180.15
  4. Step 4: Simplify right side
    7,537.30x = 43,479,689.27
  5. Step 5: Solve for x
    x = 43,479,689.27/7,537.30
  6. Step 6: Final answer
    x = 5,768.60

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Half scale
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Double scale
Find fourth proportional to 7,538.30, 10,402.85 and 4,181.15
Similar ratio
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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.