Home / 7,345.14-10,132.05-4,689.55

Finding the Fourth Proportional to 7,345.14, 10,132.05 and 4,689.55

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Solution

The fourth proportional to 7,345.14, 10,132.05 and 4,689.55 is: 6,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.14 : 10,132.05 = 4,689.55 : x
  2. Step 2: Convert to fraction form
    7,345.14/10,132.05 = 4,689.55/x
  3. Step 3: Cross multiply
    7,345.14x = 10,132.05 × 4,689.55
  4. Step 4: Simplify right side
    7,345.14x = 47,514,755.08
  5. Step 5: Solve for x
    x = 47,514,755.08/7,345.14
  6. Step 6: Final answer
    x = 6,468.87

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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.