Home / 7,411.24-11,119.92-3,249.12

Finding the Fourth Proportional to 7,411.24, 11,119.92 and 3,249.12

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Solution

The fourth proportional to 7,411.24, 11,119.92 and 3,249.12 is: 4,875.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.24 : 11,119.92 = 3,249.12 : x
  2. Step 2: Convert to fraction form
    7,411.24/11,119.92 = 3,249.12/x
  3. Step 3: Cross multiply
    7,411.24x = 11,119.92 × 3,249.12
  4. Step 4: Simplify right side
    7,411.24x = 36,129,954.47
  5. Step 5: Solve for x
    x = 36,129,954.47/7,411.24
  6. Step 6: Final answer
    x = 4,875.02

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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.