Home / 5,227.98-7,211.44-3,102.11

Finding the Fourth Proportional to 5,227.98, 7,211.44 and 3,102.11

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Solution

The fourth proportional to 5,227.98, 7,211.44 and 3,102.11 is: 4,279.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.98 : 7,211.44 = 3,102.11 : x
  2. Step 2: Convert to fraction form
    5,227.98/7,211.44 = 3,102.11/x
  3. Step 3: Cross multiply
    5,227.98x = 7,211.44 × 3,102.11
  4. Step 4: Simplify right side
    5,227.98x = 22,370,694.34
  5. Step 5: Solve for x
    x = 22,370,694.34/5,227.98
  6. Step 6: Final answer
    x = 4,279.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.