Home / 5,517.90-8,266.05-3,320.10

Finding the Fourth Proportional to 5,517.90, 8,266.05 and 3,320.10

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Solution

The fourth proportional to 5,517.90, 8,266.05 and 3,320.10 is: 4,973.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.90 : 8,266.05 = 3,320.10 : x
  2. Step 2: Convert to fraction form
    5,517.90/8,266.05 = 3,320.10/x
  3. Step 3: Cross multiply
    5,517.90x = 8,266.05 × 3,320.10
  4. Step 4: Simplify right side
    5,517.90x = 27,444,112.61
  5. Step 5: Solve for x
    x = 27,444,112.61/5,517.90
  6. Step 6: Final answer
    x = 4,973.65

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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.