Home / 9,306.80-13,939.56-5,401.52

Finding the Fourth Proportional to 9,306.80, 13,939.56 and 5,401.52

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Solution

The fourth proportional to 9,306.80, 13,939.56 and 5,401.52 is: 8,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,306.80 : 13,939.56 = 5,401.52 : x
  2. Step 2: Convert to fraction form
    9,306.80/13,939.56 = 5,401.52/x
  3. Step 3: Cross multiply
    9,306.80x = 13,939.56 × 5,401.52
  4. Step 4: Simplify right side
    9,306.80x = 75,294,812.13
  5. Step 5: Solve for x
    x = 75,294,812.13/9,306.80
  6. Step 6: Final answer
    x = 8,090.30

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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.