Home / 5,372.92-8,061.70-2,909.50

Finding the Fourth Proportional to 5,372.92, 8,061.70 and 2,909.50

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Solution

The fourth proportional to 5,372.92, 8,061.70 and 2,909.50 is: 4,365.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.92 : 8,061.70 = 2,909.50 : x
  2. Step 2: Convert to fraction form
    5,372.92/8,061.70 = 2,909.50/x
  3. Step 3: Cross multiply
    5,372.92x = 8,061.70 × 2,909.50
  4. Step 4: Simplify right side
    5,372.92x = 23,455,516.15
  5. Step 5: Solve for x
    x = 23,455,516.15/5,372.92
  6. Step 6: Final answer
    x = 4,365.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.