Home / 7,084.92-10,629-3,388.08

Finding the Fourth Proportional to 7,084.92, 10,629 and 3,388.08

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Solution

The fourth proportional to 7,084.92, 10,629 and 3,388.08 is: 5,082.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.92 : 10,629 = 3,388.08 : x
  2. Step 2: Convert to fraction form
    7,084.92/10,629 = 3,388.08/x
  3. Step 3: Cross multiply
    7,084.92x = 10,629 × 3,388.08
  4. Step 4: Simplify right side
    7,084.92x = 36,011,902.32
  5. Step 5: Solve for x
    x = 36,011,902.32/7,084.92
  6. Step 6: Final answer
    x = 5,082.89

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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.