Home / 5,619.50-7,754.20-3,101.41

Finding the Fourth Proportional to 5,619.50, 7,754.20 and 3,101.41

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Solution

The fourth proportional to 5,619.50, 7,754.20 and 3,101.41 is: 4,279.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.50 : 7,754.20 = 3,101.41 : x
  2. Step 2: Convert to fraction form
    5,619.50/7,754.20 = 3,101.41/x
  3. Step 3: Cross multiply
    5,619.50x = 7,754.20 × 3,101.41
  4. Step 4: Simplify right side
    5,619.50x = 24,048,953.42
  5. Step 5: Solve for x
    x = 24,048,953.42/5,619.50
  6. Step 6: Final answer
    x = 4,279.55

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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.