Home / 6,239.40-9,331.56-5,550.90

Finding the Fourth Proportional to 6,239.40, 9,331.56 and 5,550.90

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Solution

The fourth proportional to 6,239.40, 9,331.56 and 5,550.90 is: 8,301.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.40 : 9,331.56 = 5,550.90 : x
  2. Step 2: Convert to fraction form
    6,239.40/9,331.56 = 5,550.90/x
  3. Step 3: Cross multiply
    6,239.40x = 9,331.56 × 5,550.90
  4. Step 4: Simplify right side
    6,239.40x = 51,798,556.40
  5. Step 5: Solve for x
    x = 51,798,556.40/6,239.40
  6. Step 6: Final answer
    x = 8,301.85

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1.5x scale

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.