Home / 6,663.20-9,996.37-2,280.56

Finding the Fourth Proportional to 6,663.20, 9,996.37 and 2,280.56

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Solution

The fourth proportional to 6,663.20, 9,996.37 and 2,280.56 is: 3,421.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.20 : 9,996.37 = 2,280.56 : x
  2. Step 2: Convert to fraction form
    6,663.20/9,996.37 = 2,280.56/x
  3. Step 3: Cross multiply
    6,663.20x = 9,996.37 × 2,280.56
  4. Step 4: Simplify right side
    6,663.20x = 22,797,265.88
  5. Step 5: Solve for x
    x = 22,797,265.88/6,663.20
  6. Step 6: Final answer
    x = 3,421.37

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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.