Home / 8,236.13-12,355.74-3,306.15

Finding the Fourth Proportional to 8,236.13, 12,355.74 and 3,306.15

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Solution

The fourth proportional to 8,236.13, 12,355.74 and 3,306.15 is: 4,959.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.13 : 12,355.74 = 3,306.15 : x
  2. Step 2: Convert to fraction form
    8,236.13/12,355.74 = 3,306.15/x
  3. Step 3: Cross multiply
    8,236.13x = 12,355.74 × 3,306.15
  4. Step 4: Simplify right side
    8,236.13x = 40,849,929.80
  5. Step 5: Solve for x
    x = 40,849,929.80/8,236.13
  6. Step 6: Final answer
    x = 4,959.85

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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.