Home / 7,708.52-11,564.40-2,514.80

Finding the Fourth Proportional to 7,708.52, 11,564.40 and 2,514.80

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Solution

The fourth proportional to 7,708.52, 11,564.40 and 2,514.80 is: 3,772.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.52 : 11,564.40 = 2,514.80 : x
  2. Step 2: Convert to fraction form
    7,708.52/11,564.40 = 2,514.80/x
  3. Step 3: Cross multiply
    7,708.52x = 11,564.40 × 2,514.80
  4. Step 4: Simplify right side
    7,708.52x = 29,082,153.12
  5. Step 5: Solve for x
    x = 29,082,153.12/7,708.52
  6. Step 6: Final answer
    x = 3,772.73

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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.