Home / 8,747.22-13,120.65-2,903.88

Finding the Fourth Proportional to 8,747.22, 13,120.65 and 2,903.88

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Solution

The fourth proportional to 8,747.22, 13,120.65 and 2,903.88 is: 4,355.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.22 : 13,120.65 = 2,903.88 : x
  2. Step 2: Convert to fraction form
    8,747.22/13,120.65 = 2,903.88/x
  3. Step 3: Cross multiply
    8,747.22x = 13,120.65 × 2,903.88
  4. Step 4: Simplify right side
    8,747.22x = 38,100,793.12
  5. Step 5: Solve for x
    x = 38,100,793.12/8,747.22
  6. Step 6: Final answer
    x = 4,355.76

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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.