Home / 5,405.38-8,108.06-1,301.38

Finding the Fourth Proportional to 5,405.38, 8,108.06 and 1,301.38

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Solution

The fourth proportional to 5,405.38, 8,108.06 and 1,301.38 is: 1,952.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.38 : 8,108.06 = 1,301.38 : x
  2. Step 2: Convert to fraction form
    5,405.38/8,108.06 = 1,301.38/x
  3. Step 3: Cross multiply
    5,405.38x = 8,108.06 × 1,301.38
  4. Step 4: Simplify right side
    5,405.38x = 10,551,667.12
  5. Step 5: Solve for x
    x = 10,551,667.12/5,405.38
  6. Step 6: Final answer
    x = 1,952.07

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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.