Home / 5,630.38-8,445.72-1,932.55

Finding the Fourth Proportional to 5,630.38, 8,445.72 and 1,932.55

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Solution

The fourth proportional to 5,630.38, 8,445.72 and 1,932.55 is: 2,898.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.38 : 8,445.72 = 1,932.55 : x
  2. Step 2: Convert to fraction form
    5,630.38/8,445.72 = 1,932.55/x
  3. Step 3: Cross multiply
    5,630.38x = 8,445.72 × 1,932.55
  4. Step 4: Simplify right side
    5,630.38x = 16,321,762.32
  5. Step 5: Solve for x
    x = 16,321,762.32/5,630.38
  6. Step 6: Final answer
    x = 2,898.88

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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.