Home / 5,217.39-7,827.30-1,519.54

Finding the Fourth Proportional to 5,217.39, 7,827.30 and 1,519.54

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Solution

The fourth proportional to 5,217.39, 7,827.30 and 1,519.54 is: 2,279.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.39 : 7,827.30 = 1,519.54 : x
  2. Step 2: Convert to fraction form
    5,217.39/7,827.30 = 1,519.54/x
  3. Step 3: Cross multiply
    5,217.39x = 7,827.30 × 1,519.54
  4. Step 4: Simplify right side
    5,217.39x = 11,893,895.44
  5. Step 5: Solve for x
    x = 11,893,895.44/5,217.39
  6. Step 6: Final answer
    x = 2,279.66

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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.