Home / 7,993.12-11,995.84-5,219.04

Finding the Fourth Proportional to 7,993.12, 11,995.84 and 5,219.04

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Solution

The fourth proportional to 7,993.12, 11,995.84 and 5,219.04 is: 7,832.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.12 : 11,995.84 = 5,219.04 : x
  2. Step 2: Convert to fraction form
    7,993.12/11,995.84 = 5,219.04/x
  3. Step 3: Cross multiply
    7,993.12x = 11,995.84 × 5,219.04
  4. Step 4: Simplify right side
    7,993.12x = 62,606,768.79
  5. Step 5: Solve for x
    x = 62,606,768.79/7,993.12
  6. Step 6: Final answer
    x = 7,832.58

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Similar ratio
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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.