Home / 5,217.25-7,827.16-1,519.52

Finding the Fourth Proportional to 5,217.25, 7,827.16 and 1,519.52

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Solution

The fourth proportional to 5,217.25, 7,827.16 and 1,519.52 is: 2,279.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.25 : 7,827.16 = 1,519.52 : x
  2. Step 2: Convert to fraction form
    5,217.25/7,827.16 = 1,519.52/x
  3. Step 3: Cross multiply
    5,217.25x = 7,827.16 × 1,519.52
  4. Step 4: Simplify right side
    5,217.25x = 11,893,526.16
  5. Step 5: Solve for x
    x = 11,893,526.16/5,217.25
  6. Step 6: Final answer
    x = 2,279.65

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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.