Home / 8,565.74-12,848.15-2,721.89

Finding the Fourth Proportional to 8,565.74, 12,848.15 and 2,721.89

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Solution

The fourth proportional to 8,565.74, 12,848.15 and 2,721.89 is: 4,082.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.74 : 12,848.15 = 2,721.89 : x
  2. Step 2: Convert to fraction form
    8,565.74/12,848.15 = 2,721.89/x
  3. Step 3: Cross multiply
    8,565.74x = 12,848.15 × 2,721.89
  4. Step 4: Simplify right side
    8,565.74x = 34,971,251.00
  5. Step 5: Solve for x
    x = 34,971,251.00/8,565.74
  6. Step 6: Final answer
    x = 4,082.69

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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.