Home / 4,769.32-7,155.42-2,687.08

Finding the Fourth Proportional to 4,769.32, 7,155.42 and 2,687.08

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Solution

The fourth proportional to 4,769.32, 7,155.42 and 2,687.08 is: 4,031.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769.32 : 7,155.42 = 2,687.08 : x
  2. Step 2: Convert to fraction form
    4,769.32/7,155.42 = 2,687.08/x
  3. Step 3: Cross multiply
    4,769.32x = 7,155.42 × 2,687.08
  4. Step 4: Simplify right side
    4,769.32x = 19,227,185.97
  5. Step 5: Solve for x
    x = 19,227,185.97/4,769.32
  6. Step 6: Final answer
    x = 4,031.43

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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.