Home / 6,659.12-9,988.67-2,276.61

Finding the Fourth Proportional to 6,659.12, 9,988.67 and 2,276.61

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Solution

The fourth proportional to 6,659.12, 9,988.67 and 2,276.61 is: 3,414.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659.12 : 9,988.67 = 2,276.61 : x
  2. Step 2: Convert to fraction form
    6,659.12/9,988.67 = 2,276.61/x
  3. Step 3: Cross multiply
    6,659.12x = 9,988.67 × 2,276.61
  4. Step 4: Simplify right side
    6,659.12x = 22,740,306.01
  5. Step 5: Solve for x
    x = 22,740,306.01/6,659.12
  6. Step 6: Final answer
    x = 3,414.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.