Home / 9,260.35-12,778.51-5,280.73

Finding the Fourth Proportional to 9,260.35, 12,778.51 and 5,280.73

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Solution

The fourth proportional to 9,260.35, 12,778.51 and 5,280.73 is: 7,286.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260.35 : 12,778.51 = 5,280.73 : x
  2. Step 2: Convert to fraction form
    9,260.35/12,778.51 = 5,280.73/x
  3. Step 3: Cross multiply
    9,260.35x = 12,778.51 × 5,280.73
  4. Step 4: Simplify right side
    9,260.35x = 67,479,861.11
  5. Step 5: Solve for x
    x = 67,479,861.11/9,260.35
  6. Step 6: Final answer
    x = 7,286.97

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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.