Home / 10,577.45-15,867.26-2,786.87

Finding the Fourth Proportional to 10,577.45, 15,867.26 and 2,786.87

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Solution

The fourth proportional to 10,577.45, 15,867.26 and 2,786.87 is: 4,180.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,577.45 : 15,867.26 = 2,786.87 : x
  2. Step 2: Convert to fraction form
    10,577.45/15,867.26 = 2,786.87/x
  3. Step 3: Cross multiply
    10,577.45x = 15,867.26 × 2,786.87
  4. Step 4: Simplify right side
    10,577.45x = 44,219,990.88
  5. Step 5: Solve for x
    x = 44,219,990.88/10,577.45
  6. Step 6: Final answer
    x = 4,180.59

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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.