Home / 5,343.30-8,008.74-2,221.56

Finding the Fourth Proportional to 5,343.30, 8,008.74 and 2,221.56

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Solution

The fourth proportional to 5,343.30, 8,008.74 and 2,221.56 is: 3,329.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.30 : 8,008.74 = 2,221.56 : x
  2. Step 2: Convert to fraction form
    5,343.30/8,008.74 = 2,221.56/x
  3. Step 3: Cross multiply
    5,343.30x = 8,008.74 × 2,221.56
  4. Step 4: Simplify right side
    5,343.30x = 17,791,896.43
  5. Step 5: Solve for x
    x = 17,791,896.43/5,343.30
  6. Step 6: Final answer
    x = 3,329.76

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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.