Home / 5,385.60-7,432.56-3,027.60

Finding the Fourth Proportional to 5,385.60, 7,432.56 and 3,027.60

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Solution

The fourth proportional to 5,385.60, 7,432.56 and 3,027.60 is: 4,178.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.60 : 7,432.56 = 3,027.60 : x
  2. Step 2: Convert to fraction form
    5,385.60/7,432.56 = 3,027.60/x
  3. Step 3: Cross multiply
    5,385.60x = 7,432.56 × 3,027.60
  4. Step 4: Simplify right side
    5,385.60x = 22,502,818.66
  5. Step 5: Solve for x
    x = 22,502,818.66/5,385.60
  6. Step 6: Final answer
    x = 4,178.33

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