Home / 8,861.25-12,228.38-4,882.74

Finding the Fourth Proportional to 8,861.25, 12,228.38 and 4,882.74

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Solution

The fourth proportional to 8,861.25, 12,228.38 and 4,882.74 is: 6,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.25 : 12,228.38 = 4,882.74 : x
  2. Step 2: Convert to fraction form
    8,861.25/12,228.38 = 4,882.74/x
  3. Step 3: Cross multiply
    8,861.25x = 12,228.38 × 4,882.74
  4. Step 4: Simplify right side
    8,861.25x = 59,707,975.75
  5. Step 5: Solve for x
    x = 59,707,975.75/8,861.25
  6. Step 6: Final answer
    x = 6,738.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.