Home / 7,691.29-10,613.77-4,707.11

Finding the Fourth Proportional to 7,691.29, 10,613.77 and 4,707.11

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Solution

The fourth proportional to 7,691.29, 10,613.77 and 4,707.11 is: 6,495.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691.29 : 10,613.77 = 4,707.11 : x
  2. Step 2: Convert to fraction form
    7,691.29/10,613.77 = 4,707.11/x
  3. Step 3: Cross multiply
    7,691.29x = 10,613.77 × 4,707.11
  4. Step 4: Simplify right side
    7,691.29x = 49,960,197.67
  5. Step 5: Solve for x
    x = 49,960,197.67/7,691.29
  6. Step 6: Final answer
    x = 6,495.69

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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.