Home / 8,971.87-13,458.49-2,732.42

Finding the Fourth Proportional to 8,971.87, 13,458.49 and 2,732.42

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Solution

The fourth proportional to 8,971.87, 13,458.49 and 2,732.42 is: 4,098.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.87 : 13,458.49 = 2,732.42 : x
  2. Step 2: Convert to fraction form
    8,971.87/13,458.49 = 2,732.42/x
  3. Step 3: Cross multiply
    8,971.87x = 13,458.49 × 2,732.42
  4. Step 4: Simplify right side
    8,971.87x = 36,774,247.25
  5. Step 5: Solve for x
    x = 36,774,247.25/8,971.87
  6. Step 6: Final answer
    x = 4,098.84

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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.