Home / 6,222.20-9,331.76-3,881.00

Finding the Fourth Proportional to 6,222.20, 9,331.76 and 3,881.00

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Solution

The fourth proportional to 6,222.20, 9,331.76 and 3,881.00 is: 5,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,222.20 : 9,331.76 = 3,881.00 : x
  2. Step 2: Convert to fraction form
    6,222.20/9,331.76 = 3,881.00/x
  3. Step 3: Cross multiply
    6,222.20x = 9,331.76 × 3,881.00
  4. Step 4: Simplify right side
    6,222.20x = 36,216,593.59
  5. Step 5: Solve for x
    x = 36,216,593.59/6,222.20
  6. Step 6: Final answer
    x = 5,820.55

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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.