Home / 7,691.13-10,613.63-4,334.27

Finding the Fourth Proportional to 7,691.13, 10,613.63 and 4,334.27

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Solution

The fourth proportional to 7,691.13, 10,613.63 and 4,334.27 is: 5,981.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691.13 : 10,613.63 = 4,334.27 : x
  2. Step 2: Convert to fraction form
    7,691.13/10,613.63 = 4,334.27/x
  3. Step 3: Cross multiply
    7,691.13x = 10,613.63 × 4,334.27
  4. Step 4: Simplify right side
    7,691.13x = 46,002,295.87
  5. Step 5: Solve for x
    x = 46,002,295.87/7,691.13
  6. Step 6: Final answer
    x = 5,981.21

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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.