Home / 8,247.18-12,363.38-2,980.96

Finding the Fourth Proportional to 8,247.18, 12,363.38 and 2,980.96

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Solution

The fourth proportional to 8,247.18, 12,363.38 and 2,980.96 is: 4,468.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.18 : 12,363.38 = 2,980.96 : x
  2. Step 2: Convert to fraction form
    8,247.18/12,363.38 = 2,980.96/x
  3. Step 3: Cross multiply
    8,247.18x = 12,363.38 × 2,980.96
  4. Step 4: Simplify right side
    8,247.18x = 36,854,695.43
  5. Step 5: Solve for x
    x = 36,854,695.43/8,247.18
  6. Step 6: Final answer
    x = 4,468.76

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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.