Home / 9,287.97-12,818.45-6,454.59

Finding the Fourth Proportional to 9,287.97, 12,818.45 and 6,454.59

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Solution

The fourth proportional to 9,287.97, 12,818.45 and 6,454.59 is: 8,908.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287.97 : 12,818.45 = 6,454.59 : x
  2. Step 2: Convert to fraction form
    9,287.97/12,818.45 = 6,454.59/x
  3. Step 3: Cross multiply
    9,287.97x = 12,818.45 × 6,454.59
  4. Step 4: Simplify right side
    9,287.97x = 82,737,839.19
  5. Step 5: Solve for x
    x = 82,737,839.19/9,287.97
  6. Step 6: Final answer
    x = 8,908.06

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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.