Home / 8,142.59-11,237.30-4,557.88

Finding the Fourth Proportional to 8,142.59, 11,237.30 and 4,557.88

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Solution

The fourth proportional to 8,142.59, 11,237.30 and 4,557.88 is: 6,290.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142.59 : 11,237.30 = 4,557.88 : x
  2. Step 2: Convert to fraction form
    8,142.59/11,237.30 = 4,557.88/x
  3. Step 3: Cross multiply
    8,142.59x = 11,237.30 × 4,557.88
  4. Step 4: Simplify right side
    8,142.59x = 51,218,248.23
  5. Step 5: Solve for x
    x = 51,218,248.23/8,142.59
  6. Step 6: Final answer
    x = 6,290.17

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Double scale
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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.