Home / 5,909.46-8,864.26-2,987.88

Finding the Fourth Proportional to 5,909.46, 8,864.26 and 2,987.88

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Solution

The fourth proportional to 5,909.46, 8,864.26 and 2,987.88 is: 4,481.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.46 : 8,864.26 = 2,987.88 : x
  2. Step 2: Convert to fraction form
    5,909.46/8,864.26 = 2,987.88/x
  3. Step 3: Cross multiply
    5,909.46x = 8,864.26 × 2,987.88
  4. Step 4: Simplify right side
    5,909.46x = 26,485,345.17
  5. Step 5: Solve for x
    x = 26,485,345.17/5,909.46
  6. Step 6: Final answer
    x = 4,481.86

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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.