Home / 7,473.80-11,209.32-2,792.72

Finding the Fourth Proportional to 7,473.80, 11,209.32 and 2,792.72

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Solution

The fourth proportional to 7,473.80, 11,209.32 and 2,792.72 is: 4,188.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.80 : 11,209.32 = 2,792.72 : x
  2. Step 2: Convert to fraction form
    7,473.80/11,209.32 = 2,792.72/x
  3. Step 3: Cross multiply
    7,473.80x = 11,209.32 × 2,792.72
  4. Step 4: Simplify right side
    7,473.80x = 31,304,492.15
  5. Step 5: Solve for x
    x = 31,304,492.15/7,473.80
  6. Step 6: Final answer
    x = 4,188.56

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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.