Home / 5,517.91-8,277.15-1,819.99

Finding the Fourth Proportional to 5,517.91, 8,277.15 and 1,819.99

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Solution

The fourth proportional to 5,517.91, 8,277.15 and 1,819.99 is: 2,730.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.91 : 8,277.15 = 1,819.99 : x
  2. Step 2: Convert to fraction form
    5,517.91/8,277.15 = 1,819.99/x
  3. Step 3: Cross multiply
    5,517.91x = 8,277.15 × 1,819.99
  4. Step 4: Simplify right side
    5,517.91x = 15,064,330.23
  5. Step 5: Solve for x
    x = 15,064,330.23/5,517.91
  6. Step 6: Final answer
    x = 2,730.08

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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.