Home / 7,747.29-10,691.55-4,764.15

Finding the Fourth Proportional to 7,747.29, 10,691.55 and 4,764.15

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Solution

The fourth proportional to 7,747.29, 10,691.55 and 4,764.15 is: 6,574.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.29 : 10,691.55 = 4,764.15 : x
  2. Step 2: Convert to fraction form
    7,747.29/10,691.55 = 4,764.15/x
  3. Step 3: Cross multiply
    7,747.29x = 10,691.55 × 4,764.15
  4. Step 4: Simplify right side
    7,747.29x = 50,936,147.93
  5. Step 5: Solve for x
    x = 50,936,147.93/7,747.29
  6. Step 6: Final answer
    x = 6,574.71

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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.