Home / 10,577.68-15,864.97-2,786.48

Finding the Fourth Proportional to 10,577.68, 15,864.97 and 2,786.48

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Solution

The fourth proportional to 10,577.68, 15,864.97 and 2,786.48 is: 4,179.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,577.68 : 15,864.97 = 2,786.48 : x
  2. Step 2: Convert to fraction form
    10,577.68/15,864.97 = 2,786.48/x
  3. Step 3: Cross multiply
    10,577.68x = 15,864.97 × 2,786.48
  4. Step 4: Simplify right side
    10,577.68x = 44,207,421.61
  5. Step 5: Solve for x
    x = 44,207,421.61/10,577.68
  6. Step 6: Final answer
    x = 4,179.31

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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.