Home / 5,385.32-8,074.20-2,753.64

Finding the Fourth Proportional to 5,385.32, 8,074.20 and 2,753.64

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Solution

The fourth proportional to 5,385.32, 8,074.20 and 2,753.64 is: 4,128.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.32 : 8,074.20 = 2,753.64 : x
  2. Step 2: Convert to fraction form
    5,385.32/8,074.20 = 2,753.64/x
  3. Step 3: Cross multiply
    5,385.32x = 8,074.20 × 2,753.64
  4. Step 4: Simplify right side
    5,385.32x = 22,233,440.09
  5. Step 5: Solve for x
    x = 22,233,440.09/5,385.32
  6. Step 6: Final answer
    x = 4,128.53

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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.