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Finding the Fourth Proportional to 8,062.62, 11,126.45 and 4,477.62

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Solution

The fourth proportional to 8,062.62, 11,126.45 and 4,477.62 is: 6,179.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,062.62 : 11,126.45 = 4,477.62 : x
  2. Step 2: Convert to fraction form
    8,062.62/11,126.45 = 4,477.62/x
  3. Step 3: Cross multiply
    8,062.62x = 11,126.45 × 4,477.62
  4. Step 4: Simplify right side
    8,062.62x = 49,819,937.03
  5. Step 5: Solve for x
    x = 49,819,937.03/8,062.62
  6. Step 6: Final answer
    x = 6,179.13

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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.