Home / 4,255.68-6,377.96-1,787.24

Finding the Fourth Proportional to 4,255.68, 6,377.96 and 1,787.24

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Solution

The fourth proportional to 4,255.68, 6,377.96 and 1,787.24 is: 2,678.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.68 : 6,377.96 = 1,787.24 : x
  2. Step 2: Convert to fraction form
    4,255.68/6,377.96 = 1,787.24/x
  3. Step 3: Cross multiply
    4,255.68x = 6,377.96 × 1,787.24
  4. Step 4: Simplify right side
    4,255.68x = 11,398,945.23
  5. Step 5: Solve for x
    x = 11,398,945.23/4,255.68
  6. Step 6: Final answer
    x = 2,678.52

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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.