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Finding the Fourth Proportional to 7,227.60, 10,793.14 and 6,858.56

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Solution

The fourth proportional to 7,227.60, 10,793.14 and 6,858.56 is: 10,242.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,227.60 : 10,793.14 = 6,858.56 : x
  2. Step 2: Convert to fraction form
    7,227.60/10,793.14 = 6,858.56/x
  3. Step 3: Cross multiply
    7,227.60x = 10,793.14 × 6,858.56
  4. Step 4: Simplify right side
    7,227.60x = 74,025,398.28
  5. Step 5: Solve for x
    x = 74,025,398.28/7,227.60
  6. Step 6: Final answer
    x = 10,242.04

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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.