Home / 5,921.60-8,876.28-2,221.22

Finding the Fourth Proportional to 5,921.60, 8,876.28 and 2,221.22

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Solution

The fourth proportional to 5,921.60, 8,876.28 and 2,221.22 is: 3,329.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.60 : 8,876.28 = 2,221.22 : x
  2. Step 2: Convert to fraction form
    5,921.60/8,876.28 = 2,221.22/x
  3. Step 3: Cross multiply
    5,921.60x = 8,876.28 × 2,221.22
  4. Step 4: Simplify right side
    5,921.60x = 19,716,170.66
  5. Step 5: Solve for x
    x = 19,716,170.66/5,921.60
  6. Step 6: Final answer
    x = 3,329.53

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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.