Home / 7,412.85-11,119.87-2,482.52

Finding the Fourth Proportional to 7,412.85, 11,119.87 and 2,482.52

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Solution

The fourth proportional to 7,412.85, 11,119.87 and 2,482.52 is: 3,723.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.85 : 11,119.87 = 2,482.52 : x
  2. Step 2: Convert to fraction form
    7,412.85/11,119.87 = 2,482.52/x
  3. Step 3: Cross multiply
    7,412.85x = 11,119.87 × 2,482.52
  4. Step 4: Simplify right side
    7,412.85x = 27,605,233.21
  5. Step 5: Solve for x
    x = 27,605,233.21/7,412.85
  6. Step 6: Final answer
    x = 3,723.97

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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.