Home / 5,343.26-8,015.91-2,221.58

Finding the Fourth Proportional to 5,343.26, 8,015.91 and 2,221.58

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Solution

The fourth proportional to 5,343.26, 8,015.91 and 2,221.58 is: 3,332.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.26 : 8,015.91 = 2,221.58 : x
  2. Step 2: Convert to fraction form
    5,343.26/8,015.91 = 2,221.58/x
  3. Step 3: Cross multiply
    5,343.26x = 8,015.91 × 2,221.58
  4. Step 4: Simplify right side
    5,343.26x = 17,807,934.15
  5. Step 5: Solve for x
    x = 17,807,934.15/5,343.26
  6. Step 6: Final answer
    x = 3,332.78

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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.