Home / 8,201.57-12,301.65-4,912.25

Finding the Fourth Proportional to 8,201.57, 12,301.65 and 4,912.25

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Solution

The fourth proportional to 8,201.57, 12,301.65 and 4,912.25 is: 7,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201.57 : 12,301.65 = 4,912.25 : x
  2. Step 2: Convert to fraction form
    8,201.57/12,301.65 = 4,912.25/x
  3. Step 3: Cross multiply
    8,201.57x = 12,301.65 × 4,912.25
  4. Step 4: Simplify right side
    8,201.57x = 60,428,718.70
  5. Step 5: Solve for x
    x = 60,428,718.70/8,201.57
  6. Step 6: Final answer
    x = 7,367.95

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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.