Home / 5,385.54-7,431.72-3,027.60

Finding the Fourth Proportional to 5,385.54, 7,431.72 and 3,027.60

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Solution

The fourth proportional to 5,385.54, 7,431.72 and 3,027.60 is: 4,177.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.54 : 7,431.72 = 3,027.60 : x
  2. Step 2: Convert to fraction form
    5,385.54/7,431.72 = 3,027.60/x
  3. Step 3: Cross multiply
    5,385.54x = 7,431.72 × 3,027.60
  4. Step 4: Simplify right side
    5,385.54x = 22,500,275.47
  5. Step 5: Solve for x
    x = 22,500,275.47/5,385.54
  6. Step 6: Final answer
    x = 4,177.91

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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.