Home / 8,982.40-13,470.88-3,787.04

Finding the Fourth Proportional to 8,982.40, 13,470.88 and 3,787.04

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Solution

The fourth proportional to 8,982.40, 13,470.88 and 3,787.04 is: 5,679.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.40 : 13,470.88 = 3,787.04 : x
  2. Step 2: Convert to fraction form
    8,982.40/13,470.88 = 3,787.04/x
  3. Step 3: Cross multiply
    8,982.40x = 13,470.88 × 3,787.04
  4. Step 4: Simplify right side
    8,982.40x = 51,014,761.40
  5. Step 5: Solve for x
    x = 51,014,761.40/8,982.40
  6. Step 6: Final answer
    x = 5,679.41

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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.