Home / 5,474.38-7,555.20-3,236.98

Finding the Fourth Proportional to 5,474.38, 7,555.20 and 3,236.98

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Solution

The fourth proportional to 5,474.38, 7,555.20 and 3,236.98 is: 4,467.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.38 : 7,555.20 = 3,236.98 : x
  2. Step 2: Convert to fraction form
    5,474.38/7,555.20 = 3,236.98/x
  3. Step 3: Cross multiply
    5,474.38x = 7,555.20 × 3,236.98
  4. Step 4: Simplify right side
    5,474.38x = 24,456,031.30
  5. Step 5: Solve for x
    x = 24,456,031.30/5,474.38
  6. Step 6: Final answer
    x = 4,467.36

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Half scale
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Double scale
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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.