Home / 8,891.20-13,337.45-3,047.76

Finding the Fourth Proportional to 8,891.20, 13,337.45 and 3,047.76

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Solution

The fourth proportional to 8,891.20, 13,337.45 and 3,047.76 is: 4,571.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.20 : 13,337.45 = 3,047.76 : x
  2. Step 2: Convert to fraction form
    8,891.20/13,337.45 = 3,047.76/x
  3. Step 3: Cross multiply
    8,891.20x = 13,337.45 × 3,047.76
  4. Step 4: Simplify right side
    8,891.20x = 40,649,346.61
  5. Step 5: Solve for x
    x = 40,649,346.61/8,891.20
  6. Step 6: Final answer
    x = 4,571.86

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1.5x scale

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.