Home / 8,236.61-12,355.45-2,899.14

Finding the Fourth Proportional to 8,236.61, 12,355.45 and 2,899.14

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Solution

The fourth proportional to 8,236.61, 12,355.45 and 2,899.14 is: 4,348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.61 : 12,355.45 = 2,899.14 : x
  2. Step 2: Convert to fraction form
    8,236.61/12,355.45 = 2,899.14/x
  3. Step 3: Cross multiply
    8,236.61x = 12,355.45 × 2,899.14
  4. Step 4: Simplify right side
    8,236.61x = 35,820,179.31
  5. Step 5: Solve for x
    x = 35,820,179.31/8,236.61
  6. Step 6: Final answer
    x = 4,348.90

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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.