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Finding the Fourth Proportional to 5,352.32, 7,338.10 and 5,253.68

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Solution

The fourth proportional to 5,352.32, 7,338.10 and 5,253.68 is: 7,202.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.32 : 7,338.10 = 5,253.68 : x
  2. Step 2: Convert to fraction form
    5,352.32/7,338.10 = 5,253.68/x
  3. Step 3: Cross multiply
    5,352.32x = 7,338.10 × 5,253.68
  4. Step 4: Simplify right side
    5,352.32x = 38,552,029.21
  5. Step 5: Solve for x
    x = 38,552,029.21/5,352.32
  6. Step 6: Final answer
    x = 7,202.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.