Home / 8,171.28-11,272.99-5,337.67

Finding the Fourth Proportional to 8,171.28, 11,272.99 and 5,337.67

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Solution

The fourth proportional to 8,171.28, 11,272.99 and 5,337.67 is: 7,363.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.28 : 11,272.99 = 5,337.67 : x
  2. Step 2: Convert to fraction form
    8,171.28/11,272.99 = 5,337.67/x
  3. Step 3: Cross multiply
    8,171.28x = 11,272.99 × 5,337.67
  4. Step 4: Simplify right side
    8,171.28x = 60,171,500.53
  5. Step 5: Solve for x
    x = 60,171,500.53/8,171.28
  6. Step 6: Final answer
    x = 7,363.78

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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.