Home / 5,385.48-7,432.38-3,027.84

Finding the Fourth Proportional to 5,385.48, 7,432.38 and 3,027.84

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Solution

The fourth proportional to 5,385.48, 7,432.38 and 3,027.84 is: 4,178.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.48 : 7,432.38 = 3,027.84 : x
  2. Step 2: Convert to fraction form
    5,385.48/7,432.38 = 3,027.84/x
  3. Step 3: Cross multiply
    5,385.48x = 7,432.38 × 3,027.84
  4. Step 4: Simplify right side
    5,385.48x = 22,504,057.46
  5. Step 5: Solve for x
    x = 22,504,057.46/5,385.48
  6. Step 6: Final answer
    x = 4,178.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.