Home / 5,079.11-7,618.82-1,747.32

Finding the Fourth Proportional to 5,079.11, 7,618.82 and 1,747.32

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Solution

The fourth proportional to 5,079.11, 7,618.82 and 1,747.32 is: 2,621.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.11 : 7,618.82 = 1,747.32 : x
  2. Step 2: Convert to fraction form
    5,079.11/7,618.82 = 1,747.32/x
  3. Step 3: Cross multiply
    5,079.11x = 7,618.82 × 1,747.32
  4. Step 4: Simplify right side
    5,079.11x = 13,312,507.83
  5. Step 5: Solve for x
    x = 13,312,507.83/5,079.11
  6. Step 6: Final answer
    x = 2,621.03

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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.