Home / 8,159.80-11,254.26-5,503

Finding the Fourth Proportional to 8,159.80, 11,254.26 and 5,503

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Solution

The fourth proportional to 8,159.80, 11,254.26 and 5,503 is: 7,589.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.80 : 11,254.26 = 5,503 : x
  2. Step 2: Convert to fraction form
    8,159.80/11,254.26 = 5,503/x
  3. Step 3: Cross multiply
    8,159.80x = 11,254.26 × 5,503
  4. Step 4: Simplify right side
    8,159.80x = 61,932,192.78
  5. Step 5: Solve for x
    x = 61,932,192.78/8,159.80
  6. Step 6: Final answer
    x = 7,589.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.