Home / 5,217.28-7,827.08-1,519.80

Finding the Fourth Proportional to 5,217.28, 7,827.08 and 1,519.80

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Solution

The fourth proportional to 5,217.28, 7,827.08 and 1,519.80 is: 2,280.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.28 : 7,827.08 = 1,519.80 : x
  2. Step 2: Convert to fraction form
    5,217.28/7,827.08 = 1,519.80/x
  3. Step 3: Cross multiply
    5,217.28x = 7,827.08 × 1,519.80
  4. Step 4: Simplify right side
    5,217.28x = 11,895,559.23
  5. Step 5: Solve for x
    x = 11,895,559.23/5,217.28
  6. Step 6: Final answer
    x = 2,280.03

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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.