Home / 4,253.93-6,378.17-1,787.48

Finding the Fourth Proportional to 4,253.93, 6,378.17 and 1,787.48

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Solution

The fourth proportional to 4,253.93, 6,378.17 and 1,787.48 is: 2,680.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.93 : 6,378.17 = 1,787.48 : x
  2. Step 2: Convert to fraction form
    4,253.93/6,378.17 = 1,787.48/x
  3. Step 3: Cross multiply
    4,253.93x = 6,378.17 × 1,787.48
  4. Step 4: Simplify right side
    4,253.93x = 11,400,810.48
  5. Step 5: Solve for x
    x = 11,400,810.48/4,253.93
  6. Step 6: Final answer
    x = 2,680.07

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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.