Home / 7,473.92-11,211.04-2,279.68

Finding the Fourth Proportional to 7,473.92, 11,211.04 and 2,279.68

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Solution

The fourth proportional to 7,473.92, 11,211.04 and 2,279.68 is: 3,419.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.92 : 11,211.04 = 2,279.68 : x
  2. Step 2: Convert to fraction form
    7,473.92/11,211.04 = 2,279.68/x
  3. Step 3: Cross multiply
    7,473.92x = 11,211.04 × 2,279.68
  4. Step 4: Simplify right side
    7,473.92x = 25,557,583.67
  5. Step 5: Solve for x
    x = 25,557,583.67/7,473.92
  6. Step 6: Final answer
    x = 3,419.57

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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.