Home / 5,372.46-7,412.76-3,133.44

Finding the Fourth Proportional to 5,372.46, 7,412.76 and 3,133.44

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Solution

The fourth proportional to 5,372.46, 7,412.76 and 3,133.44 is: 4,323.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.46 : 7,412.76 = 3,133.44 : x
  2. Step 2: Convert to fraction form
    5,372.46/7,412.76 = 3,133.44/x
  3. Step 3: Cross multiply
    5,372.46x = 7,412.76 × 3,133.44
  4. Step 4: Simplify right side
    5,372.46x = 23,227,438.69
  5. Step 5: Solve for x
    x = 23,227,438.69/5,372.46
  6. Step 6: Final answer
    x = 4,323.43

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Half 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.