Home / 5,375.56-8,061.81-2,087.95

Finding the Fourth Proportional to 5,375.56, 8,061.81 and 2,087.95

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Solution

The fourth proportional to 5,375.56, 8,061.81 and 2,087.95 is: 3,131.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.56 : 8,061.81 = 2,087.95 : x
  2. Step 2: Convert to fraction form
    5,375.56/8,061.81 = 2,087.95/x
  3. Step 3: Cross multiply
    5,375.56x = 8,061.81 × 2,087.95
  4. Step 4: Simplify right side
    5,375.56x = 16,832,656.19
  5. Step 5: Solve for x
    x = 16,832,656.19/5,375.56
  6. Step 6: Final answer
    x = 3,131.33

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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.