Home / 5,371.49-8,059.28-2,086.90

Finding the Fourth Proportional to 5,371.49, 8,059.28 and 2,086.90

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Solution

The fourth proportional to 5,371.49, 8,059.28 and 2,086.90 is: 3,131.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.49 : 8,059.28 = 2,086.90 : x
  2. Step 2: Convert to fraction form
    5,371.49/8,059.28 = 2,086.90/x
  3. Step 3: Cross multiply
    5,371.49x = 8,059.28 × 2,086.90
  4. Step 4: Simplify right side
    5,371.49x = 16,818,880.85
  5. Step 5: Solve for x
    x = 16,818,880.85/5,371.49
  6. Step 6: Final answer
    x = 3,131.14

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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.