Home / 5,439.60-8,157.24-1,976.04

Finding the Fourth Proportional to 5,439.60, 8,157.24 and 1,976.04

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Solution

The fourth proportional to 5,439.60, 8,157.24 and 1,976.04 is: 2,963.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.60 : 8,157.24 = 1,976.04 : x
  2. Step 2: Convert to fraction form
    5,439.60/8,157.24 = 1,976.04/x
  3. Step 3: Cross multiply
    5,439.60x = 8,157.24 × 1,976.04
  4. Step 4: Simplify right side
    5,439.60x = 16,119,032.53
  5. Step 5: Solve for x
    x = 16,119,032.53/5,439.60
  6. Step 6: Final answer
    x = 2,963.28

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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.