Home / 4,837.20-7,255.84-1,914.88

Finding the Fourth Proportional to 4,837.20, 7,255.84 and 1,914.88

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Solution

The fourth proportional to 4,837.20, 7,255.84 and 1,914.88 is: 2,872.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,837.20 : 7,255.84 = 1,914.88 : x
  2. Step 2: Convert to fraction form
    4,837.20/7,255.84 = 1,914.88/x
  3. Step 3: Cross multiply
    4,837.20x = 7,255.84 × 1,914.88
  4. Step 4: Simplify right side
    4,837.20x = 13,894,062.90
  5. Step 5: Solve for x
    x = 13,894,062.90/4,837.20
  6. Step 6: Final answer
    x = 2,872.34

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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.