Home / 7,251.20-10,878.20-3,091.13

Finding the Fourth Proportional to 7,251.20, 10,878.20 and 3,091.13

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Solution

The fourth proportional to 7,251.20, 10,878.20 and 3,091.13 is: 4,637.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.20 : 10,878.20 = 3,091.13 : x
  2. Step 2: Convert to fraction form
    7,251.20/10,878.20 = 3,091.13/x
  3. Step 3: Cross multiply
    7,251.20x = 10,878.20 × 3,091.13
  4. Step 4: Simplify right side
    7,251.20x = 33,625,930.37
  5. Step 5: Solve for x
    x = 33,625,930.37/7,251.20
  6. Step 6: Final answer
    x = 4,637.29

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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.