Home / 8,887.20-13,339.04-4,507.76

Finding the Fourth Proportional to 8,887.20, 13,339.04 and 4,507.76

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Solution

The fourth proportional to 8,887.20, 13,339.04 and 4,507.76 is: 6,765.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.20 : 13,339.04 = 4,507.76 : x
  2. Step 2: Convert to fraction form
    8,887.20/13,339.04 = 4,507.76/x
  3. Step 3: Cross multiply
    8,887.20x = 13,339.04 × 4,507.76
  4. Step 4: Simplify right side
    8,887.20x = 60,129,190.95
  5. Step 5: Solve for x
    x = 60,129,190.95/8,887.20
  6. Step 6: Final answer
    x = 6,765.82

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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.