Home / 8,229.08-12,340.21-3,162.53

Finding the Fourth Proportional to 8,229.08, 12,340.21 and 3,162.53

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Solution

The fourth proportional to 8,229.08, 12,340.21 and 3,162.53 is: 4,742.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.08 : 12,340.21 = 3,162.53 : x
  2. Step 2: Convert to fraction form
    8,229.08/12,340.21 = 3,162.53/x
  3. Step 3: Cross multiply
    8,229.08x = 12,340.21 × 3,162.53
  4. Step 4: Simplify right side
    8,229.08x = 39,026,307.28
  5. Step 5: Solve for x
    x = 39,026,307.28/8,229.08
  6. Step 6: Final answer
    x = 4,742.49

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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.