Home / 7,651.38-11,452.47-3,948.57

Finding the Fourth Proportional to 7,651.38, 11,452.47 and 3,948.57

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Solution

The fourth proportional to 7,651.38, 11,452.47 and 3,948.57 is: 5,910.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.38 : 11,452.47 = 3,948.57 : x
  2. Step 2: Convert to fraction form
    7,651.38/11,452.47 = 3,948.57/x
  3. Step 3: Cross multiply
    7,651.38x = 11,452.47 × 3,948.57
  4. Step 4: Simplify right side
    7,651.38x = 45,220,864.66
  5. Step 5: Solve for x
    x = 45,220,864.66/7,651.38
  6. Step 6: Final answer
    x = 5,910.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.