Home / 6,608.24-9,909.60-4,139.36

Finding the Fourth Proportional to 6,608.24, 9,909.60 and 4,139.36

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Solution

The fourth proportional to 6,608.24, 9,909.60 and 4,139.36 is: 6,207.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.24 : 9,909.60 = 4,139.36 : x
  2. Step 2: Convert to fraction form
    6,608.24/9,909.60 = 4,139.36/x
  3. Step 3: Cross multiply
    6,608.24x = 9,909.60 × 4,139.36
  4. Step 4: Simplify right side
    6,608.24x = 41,019,401.86
  5. Step 5: Solve for x
    x = 41,019,401.86/6,608.24
  6. Step 6: Final answer
    x = 6,207.31

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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.