Home / 5,405.88-8,108.82-1,301.88

Finding the Fourth Proportional to 5,405.88, 8,108.82 and 1,301.88

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Solution

The fourth proportional to 5,405.88, 8,108.82 and 1,301.88 is: 1,952.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.88 : 8,108.82 = 1,301.88 : x
  2. Step 2: Convert to fraction form
    5,405.88/8,108.82 = 1,301.88/x
  3. Step 3: Cross multiply
    5,405.88x = 8,108.82 × 1,301.88
  4. Step 4: Simplify right side
    5,405.88x = 10,556,710.58
  5. Step 5: Solve for x
    x = 10,556,710.58/5,405.88
  6. Step 6: Final answer
    x = 1,952.82

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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.