Home / 8,125.56-12,181.86-3,740.76

Finding the Fourth Proportional to 8,125.56, 12,181.86 and 3,740.76

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Solution

The fourth proportional to 8,125.56, 12,181.86 and 3,740.76 is: 5,608.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.56 : 12,181.86 = 3,740.76 : x
  2. Step 2: Convert to fraction form
    8,125.56/12,181.86 = 3,740.76/x
  3. Step 3: Cross multiply
    8,125.56x = 12,181.86 × 3,740.76
  4. Step 4: Simplify right side
    8,125.56x = 45,569,414.61
  5. Step 5: Solve for x
    x = 45,569,414.61/8,125.56
  6. Step 6: Final answer
    x = 5,608.16

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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.