Home / 7,251.20-10,876.84-3,090.44

Finding the Fourth Proportional to 7,251.20, 10,876.84 and 3,090.44

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Solution

The fourth proportional to 7,251.20, 10,876.84 and 3,090.44 is: 4,635.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.20 : 10,876.84 = 3,090.44 : x
  2. Step 2: Convert to fraction form
    7,251.20/10,876.84 = 3,090.44/x
  3. Step 3: Cross multiply
    7,251.20x = 10,876.84 × 3,090.44
  4. Step 4: Simplify right side
    7,251.20x = 33,614,221.41
  5. Step 5: Solve for x
    x = 33,614,221.41/7,251.20
  6. Step 6: Final answer
    x = 4,635.68

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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.