Home / 8,971.91-13,458.55-2,732.45

Finding the Fourth Proportional to 8,971.91, 13,458.55 and 2,732.45

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Solution

The fourth proportional to 8,971.91, 13,458.55 and 2,732.45 is: 4,098.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.91 : 13,458.55 = 2,732.45 : x
  2. Step 2: Convert to fraction form
    8,971.91/13,458.55 = 2,732.45/x
  3. Step 3: Cross multiply
    8,971.91x = 13,458.55 × 2,732.45
  4. Step 4: Simplify right side
    8,971.91x = 36,774,767.64
  5. Step 5: Solve for x
    x = 36,774,767.64/8,971.91
  6. Step 6: Final answer
    x = 4,098.88

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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.