Home / 6,659.28-9,985.68-2,275.56

Finding the Fourth Proportional to 6,659.28, 9,985.68 and 2,275.56

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Solution

The fourth proportional to 6,659.28, 9,985.68 and 2,275.56 is: 3,412.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659.28 : 9,985.68 = 2,275.56 : x
  2. Step 2: Convert to fraction form
    6,659.28/9,985.68 = 2,275.56/x
  3. Step 3: Cross multiply
    6,659.28x = 9,985.68 × 2,275.56
  4. Step 4: Simplify right side
    6,659.28x = 22,723,013.98
  5. Step 5: Solve for x
    x = 22,723,013.98/6,659.28
  6. Step 6: Final answer
    x = 3,412.23

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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.