Home / 9,229.31-12,737.15-5,250.80

Finding the Fourth Proportional to 9,229.31, 12,737.15 and 5,250.80

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Solution

The fourth proportional to 9,229.31, 12,737.15 and 5,250.80 is: 7,246.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,229.31 : 12,737.15 = 5,250.80 : x
  2. Step 2: Convert to fraction form
    9,229.31/12,737.15 = 5,250.80/x
  3. Step 3: Cross multiply
    9,229.31x = 12,737.15 × 5,250.80
  4. Step 4: Simplify right side
    9,229.31x = 66,880,137.28
  5. Step 5: Solve for x
    x = 66,880,137.28/9,229.31
  6. Step 6: Final answer
    x = 7,246.50

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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.