Home / 7,511.20-11,269.08-5,324.16

Finding the Fourth Proportional to 7,511.20, 11,269.08 and 5,324.16

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Solution

The fourth proportional to 7,511.20, 11,269.08 and 5,324.16 is: 7,987.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.20 : 11,269.08 = 5,324.16 : x
  2. Step 2: Convert to fraction form
    7,511.20/11,269.08 = 5,324.16/x
  3. Step 3: Cross multiply
    7,511.20x = 11,269.08 × 5,324.16
  4. Step 4: Simplify right side
    7,511.20x = 59,998,384.97
  5. Step 5: Solve for x
    x = 59,998,384.97/7,511.20
  6. Step 6: Final answer
    x = 7,987.86

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1.5x scale

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.