Home / 8,229.10-12,347.70-3,298.90

Finding the Fourth Proportional to 8,229.10, 12,347.70 and 3,298.90

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Solution

The fourth proportional to 8,229.10, 12,347.70 and 3,298.90 is: 4,949.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.10 : 12,347.70 = 3,298.90 : x
  2. Step 2: Convert to fraction form
    8,229.10/12,347.70 = 3,298.90/x
  3. Step 3: Cross multiply
    8,229.10x = 12,347.70 × 3,298.90
  4. Step 4: Simplify right side
    8,229.10x = 40,733,827.53
  5. Step 5: Solve for x
    x = 40,733,827.53/8,229.10
  6. Step 6: Final answer
    x = 4,949.97

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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.