Home / 6,663.28-9,992.76-2,281.36

Finding the Fourth Proportional to 6,663.28, 9,992.76 and 2,281.36

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Solution

The fourth proportional to 6,663.28, 9,992.76 and 2,281.36 is: 3,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.28 : 9,992.76 = 2,281.36 : x
  2. Step 2: Convert to fraction form
    6,663.28/9,992.76 = 2,281.36/x
  3. Step 3: Cross multiply
    6,663.28x = 9,992.76 × 2,281.36
  4. Step 4: Simplify right side
    6,663.28x = 22,797,082.95
  5. Step 5: Solve for x
    x = 22,797,082.95/6,663.28
  6. Step 6: Final answer
    x = 3,421.30

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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.