Home / 5,385.44-7,427.30-3,709.52

Finding the Fourth Proportional to 5,385.44, 7,427.30 and 3,709.52

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Solution

The fourth proportional to 5,385.44, 7,427.30 and 3,709.52 is: 5,115.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.44 : 7,427.30 = 3,709.52 : x
  2. Step 2: Convert to fraction form
    5,385.44/7,427.30 = 3,709.52/x
  3. Step 3: Cross multiply
    5,385.44x = 7,427.30 × 3,709.52
  4. Step 4: Simplify right side
    5,385.44x = 27,551,717.90
  5. Step 5: Solve for x
    x = 27,551,717.90/5,385.44
  6. Step 6: Final answer
    x = 5,115.96

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1.5x scale

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.