Home / 5,521.15-7,619.31-3,003.43

Finding the Fourth Proportional to 5,521.15, 7,619.31 and 3,003.43

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Solution

The fourth proportional to 5,521.15, 7,619.31 and 3,003.43 is: 4,144.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.15 : 7,619.31 = 3,003.43 : x
  2. Step 2: Convert to fraction form
    5,521.15/7,619.31 = 3,003.43/x
  3. Step 3: Cross multiply
    5,521.15x = 7,619.31 × 3,003.43
  4. Step 4: Simplify right side
    5,521.15x = 22,884,064.23
  5. Step 5: Solve for x
    x = 22,884,064.23/5,521.15
  6. Step 6: Final answer
    x = 4,144.80

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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.