Home / 8,179.77-12,264.18-3,248.09

Finding the Fourth Proportional to 8,179.77, 12,264.18 and 3,248.09

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Solution

The fourth proportional to 8,179.77, 12,264.18 and 3,248.09 is: 4,869.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.77 : 12,264.18 = 3,248.09 : x
  2. Step 2: Convert to fraction form
    8,179.77/12,264.18 = 3,248.09/x
  3. Step 3: Cross multiply
    8,179.77x = 12,264.18 × 3,248.09
  4. Step 4: Simplify right side
    8,179.77x = 39,835,099.10
  5. Step 5: Solve for x
    x = 39,835,099.10/8,179.77
  6. Step 6: Final answer
    x = 4,869.95

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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.