Home / 5,221.20-7,830.27-1,522.44

Finding the Fourth Proportional to 5,221.20, 7,830.27 and 1,522.44

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Solution

The fourth proportional to 5,221.20, 7,830.27 and 1,522.44 is: 2,283.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.20 : 7,830.27 = 1,522.44 : x
  2. Step 2: Convert to fraction form
    5,221.20/7,830.27 = 1,522.44/x
  3. Step 3: Cross multiply
    5,221.20x = 7,830.27 × 1,522.44
  4. Step 4: Simplify right side
    5,221.20x = 11,921,116.26
  5. Step 5: Solve for x
    x = 11,921,116.26/5,221.20
  6. Step 6: Final answer
    x = 2,283.21

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1.5x scale

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.