Home / 8,234.40-12,347.84-3,552.18

Finding the Fourth Proportional to 8,234.40, 12,347.84 and 3,552.18

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Solution

The fourth proportional to 8,234.40, 12,347.84 and 3,552.18 is: 5,326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.40 : 12,347.84 = 3,552.18 : x
  2. Step 2: Convert to fraction form
    8,234.40/12,347.84 = 3,552.18/x
  3. Step 3: Cross multiply
    8,234.40x = 12,347.84 × 3,552.18
  4. Step 4: Simplify right side
    8,234.40x = 43,861,750.29
  5. Step 5: Solve for x
    x = 43,861,750.29/8,234.40
  6. Step 6: Final answer
    x = 5,326.65

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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.