Home / 7,249.20-10,875.20-3,089.13

Finding the Fourth Proportional to 7,249.20, 10,875.20 and 3,089.13

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Solution

The fourth proportional to 7,249.20, 10,875.20 and 3,089.13 is: 4,634.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.20 : 10,875.20 = 3,089.13 : x
  2. Step 2: Convert to fraction form
    7,249.20/10,875.20 = 3,089.13/x
  3. Step 3: Cross multiply
    7,249.20x = 10,875.20 × 3,089.13
  4. Step 4: Simplify right side
    7,249.20x = 33,594,891.13
  5. Step 5: Solve for x
    x = 33,594,891.13/7,249.20
  6. Step 6: Final answer
    x = 4,634.29

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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.