Home / 6,127.30-8,446.62-4,781.40

Finding the Fourth Proportional to 6,127.30, 8,446.62 and 4,781.40

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Solution

The fourth proportional to 6,127.30, 8,446.62 and 4,781.40 is: 6,591.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.30 : 8,446.62 = 4,781.40 : x
  2. Step 2: Convert to fraction form
    6,127.30/8,446.62 = 4,781.40/x
  3. Step 3: Cross multiply
    6,127.30x = 8,446.62 × 4,781.40
  4. Step 4: Simplify right side
    6,127.30x = 40,386,668.87
  5. Step 5: Solve for x
    x = 40,386,668.87/6,127.30
  6. Step 6: Final answer
    x = 6,591.27

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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.