Home / 8,963.60-13,441.72-3,418.96

Finding the Fourth Proportional to 8,963.60, 13,441.72 and 3,418.96

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Solution

The fourth proportional to 8,963.60, 13,441.72 and 3,418.96 is: 5,127.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.60 : 13,441.72 = 3,418.96 : x
  2. Step 2: Convert to fraction form
    8,963.60/13,441.72 = 3,418.96/x
  3. Step 3: Cross multiply
    8,963.60x = 13,441.72 × 3,418.96
  4. Step 4: Simplify right side
    8,963.60x = 45,956,703.01
  5. Step 5: Solve for x
    x = 45,956,703.01/8,963.60
  6. Step 6: Final answer
    x = 5,127.04

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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.