Home / 5,620.70-7,756.17-3,102.41

Finding the Fourth Proportional to 5,620.70, 7,756.17 and 3,102.41

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Solution

The fourth proportional to 5,620.70, 7,756.17 and 3,102.41 is: 4,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.70 : 7,756.17 = 3,102.41 : x
  2. Step 2: Convert to fraction form
    5,620.70/7,756.17 = 3,102.41/x
  3. Step 3: Cross multiply
    5,620.70x = 7,756.17 × 3,102.41
  4. Step 4: Simplify right side
    5,620.70x = 24,062,799.98
  5. Step 5: Solve for x
    x = 24,062,799.98/5,620.70
  6. Step 6: Final answer
    x = 4,281.10

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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.