Home / 5,221.44-7,205.52-2,983.29

Finding the Fourth Proportional to 5,221.44, 7,205.52 and 2,983.29

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Solution

The fourth proportional to 5,221.44, 7,205.52 and 2,983.29 is: 4,116.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.44 : 7,205.52 = 2,983.29 : x
  2. Step 2: Convert to fraction form
    5,221.44/7,205.52 = 2,983.29/x
  3. Step 3: Cross multiply
    5,221.44x = 7,205.52 × 2,983.29
  4. Step 4: Simplify right side
    5,221.44x = 21,496,155.76
  5. Step 5: Solve for x
    x = 21,496,155.76/5,221.44
  6. Step 6: Final answer
    x = 4,116.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.