Home / 5,255.62-7,884.20-1,924.02

Finding the Fourth Proportional to 5,255.62, 7,884.20 and 1,924.02

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Solution

The fourth proportional to 5,255.62, 7,884.20 and 1,924.02 is: 2,886.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.62 : 7,884.20 = 1,924.02 : x
  2. Step 2: Convert to fraction form
    5,255.62/7,884.20 = 1,924.02/x
  3. Step 3: Cross multiply
    5,255.62x = 7,884.20 × 1,924.02
  4. Step 4: Simplify right side
    5,255.62x = 15,169,363.29
  5. Step 5: Solve for x
    x = 15,169,363.29/5,255.62
  6. Step 6: Final answer
    x = 2,886.31

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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.