Home / 8,870.82-13,302.57-3,027.90

Finding the Fourth Proportional to 8,870.82, 13,302.57 and 3,027.90

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Solution

The fourth proportional to 8,870.82, 13,302.57 and 3,027.90 is: 4,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.82 : 13,302.57 = 3,027.90 : x
  2. Step 2: Convert to fraction form
    8,870.82/13,302.57 = 3,027.90/x
  3. Step 3: Cross multiply
    8,870.82x = 13,302.57 × 3,027.90
  4. Step 4: Simplify right side
    8,870.82x = 40,278,851.70
  5. Step 5: Solve for x
    x = 40,278,851.70/8,870.82
  6. Step 6: Final answer
    x = 4,540.60

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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.