Home / 5,217.03-7,827.21-1,519.48

Finding the Fourth Proportional to 5,217.03, 7,827.21 and 1,519.48

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Solution

The fourth proportional to 5,217.03, 7,827.21 and 1,519.48 is: 2,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.03 : 7,827.21 = 1,519.48 : x
  2. Step 2: Convert to fraction form
    5,217.03/7,827.21 = 1,519.48/x
  3. Step 3: Cross multiply
    5,217.03x = 7,827.21 × 1,519.48
  4. Step 4: Simplify right side
    5,217.03x = 11,893,259.70
  5. Step 5: Solve for x
    x = 11,893,259.70/5,217.03
  6. Step 6: Final answer
    x = 2,279.70

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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.