Home / 7,514.88-11,270.04-2,581.68

Finding the Fourth Proportional to 7,514.88, 11,270.04 and 2,581.68

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Solution

The fourth proportional to 7,514.88, 11,270.04 and 2,581.68 is: 3,871.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,514.88 : 11,270.04 = 2,581.68 : x
  2. Step 2: Convert to fraction form
    7,514.88/11,270.04 = 2,581.68/x
  3. Step 3: Cross multiply
    7,514.88x = 11,270.04 × 2,581.68
  4. Step 4: Simplify right side
    7,514.88x = 29,095,636.87
  5. Step 5: Solve for x
    x = 29,095,636.87/7,514.88
  6. Step 6: Final answer
    x = 3,871.74

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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.