Home / 7,902.62-11,844.47-3,680.18

Finding the Fourth Proportional to 7,902.62, 11,844.47 and 3,680.18

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Solution

The fourth proportional to 7,902.62, 11,844.47 and 3,680.18 is: 5,515.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.62 : 11,844.47 = 3,680.18 : x
  2. Step 2: Convert to fraction form
    7,902.62/11,844.47 = 3,680.18/x
  3. Step 3: Cross multiply
    7,902.62x = 11,844.47 × 3,680.18
  4. Step 4: Simplify right side
    7,902.62x = 43,589,703.98
  5. Step 5: Solve for x
    x = 43,589,703.98/7,902.62
  6. Step 6: Final answer
    x = 5,515.86

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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.