Home / 7,520.31-11,276.91-2,253.29

Finding the Fourth Proportional to 7,520.31, 11,276.91 and 2,253.29

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Solution

The fourth proportional to 7,520.31, 11,276.91 and 2,253.29 is: 3,378.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.31 : 11,276.91 = 2,253.29 : x
  2. Step 2: Convert to fraction form
    7,520.31/11,276.91 = 2,253.29/x
  3. Step 3: Cross multiply
    7,520.31x = 11,276.91 × 2,253.29
  4. Step 4: Simplify right side
    7,520.31x = 25,410,148.53
  5. Step 5: Solve for x
    x = 25,410,148.53/7,520.31
  6. Step 6: Final answer
    x = 3,378.87

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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.