Home / 6,425.12-9,639.15-2,727.47

Finding the Fourth Proportional to 6,425.12, 9,639.15 and 2,727.47

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Solution

The fourth proportional to 6,425.12, 9,639.15 and 2,727.47 is: 4,091.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425.12 : 9,639.15 = 2,727.47 : x
  2. Step 2: Convert to fraction form
    6,425.12/9,639.15 = 2,727.47/x
  3. Step 3: Cross multiply
    6,425.12x = 9,639.15 × 2,727.47
  4. Step 4: Simplify right side
    6,425.12x = 26,290,521.66
  5. Step 5: Solve for x
    x = 26,290,521.66/6,425.12
  6. Step 6: Final answer
    x = 4,091.83

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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.