Home / 5,217.14-7,826.93-1,519.76

Finding the Fourth Proportional to 5,217.14, 7,826.93 and 1,519.76

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Solution

The fourth proportional to 5,217.14, 7,826.93 and 1,519.76 is: 2,280.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.14 : 7,826.93 = 1,519.76 : x
  2. Step 2: Convert to fraction form
    5,217.14/7,826.93 = 1,519.76/x
  3. Step 3: Cross multiply
    5,217.14x = 7,826.93 × 1,519.76
  4. Step 4: Simplify right side
    5,217.14x = 11,895,072.80
  5. Step 5: Solve for x
    x = 11,895,072.80/5,217.14
  6. Step 6: Final answer
    x = 2,280.00

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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.