Home / 8,971.81-13,458.20-2,732.02

Finding the Fourth Proportional to 8,971.81, 13,458.20 and 2,732.02

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Solution

The fourth proportional to 8,971.81, 13,458.20 and 2,732.02 is: 4,098.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.81 : 13,458.20 = 2,732.02 : x
  2. Step 2: Convert to fraction form
    8,971.81/13,458.20 = 2,732.02/x
  3. Step 3: Cross multiply
    8,971.81x = 13,458.20 × 2,732.02
  4. Step 4: Simplify right side
    8,971.81x = 36,768,024.26
  5. Step 5: Solve for x
    x = 36,768,024.26/8,971.81
  6. Step 6: Final answer
    x = 4,098.17

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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.