Home / 5,079.08-7,618.74-2,872.04

Finding the Fourth Proportional to 5,079.08, 7,618.74 and 2,872.04

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Solution

The fourth proportional to 5,079.08, 7,618.74 and 2,872.04 is: 4,308.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.08 : 7,618.74 = 2,872.04 : x
  2. Step 2: Convert to fraction form
    5,079.08/7,618.74 = 2,872.04/x
  3. Step 3: Cross multiply
    5,079.08x = 7,618.74 × 2,872.04
  4. Step 4: Simplify right side
    5,079.08x = 21,881,326.03
  5. Step 5: Solve for x
    x = 21,881,326.03/5,079.08
  6. Step 6: Final answer
    x = 4,308.13

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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.