Home / 8,237.75-12,355.32-2,691.05

Finding the Fourth Proportional to 8,237.75, 12,355.32 and 2,691.05

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Solution

The fourth proportional to 8,237.75, 12,355.32 and 2,691.05 is: 4,036.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.75 : 12,355.32 = 2,691.05 : x
  2. Step 2: Convert to fraction form
    8,237.75/12,355.32 = 2,691.05/x
  3. Step 3: Cross multiply
    8,237.75x = 12,355.32 × 2,691.05
  4. Step 4: Simplify right side
    8,237.75x = 33,248,770.43
  5. Step 5: Solve for x
    x = 33,248,770.43/8,237.75
  6. Step 6: Final answer
    x = 4,036.15

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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.