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Finding the Fourth Proportional to 7,599.28, 11,340.02 and 6,724.48

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Solution

The fourth proportional to 7,599.28, 11,340.02 and 6,724.48 is: 10,034.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,599.28 : 11,340.02 = 6,724.48 : x
  2. Step 2: Convert to fraction form
    7,599.28/11,340.02 = 6,724.48/x
  3. Step 3: Cross multiply
    7,599.28x = 11,340.02 × 6,724.48
  4. Step 4: Simplify right side
    7,599.28x = 76,255,737.69
  5. Step 5: Solve for x
    x = 76,255,737.69/7,599.28
  6. Step 6: Final answer
    x = 10,034.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.