Home / 4,253.85-6,376.05-1,787.94

Finding the Fourth Proportional to 4,253.85, 6,376.05 and 1,787.94

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Solution

The fourth proportional to 4,253.85, 6,376.05 and 1,787.94 is: 2,679.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.85 : 6,376.05 = 1,787.94 : x
  2. Step 2: Convert to fraction form
    4,253.85/6,376.05 = 1,787.94/x
  3. Step 3: Cross multiply
    4,253.85x = 6,376.05 × 1,787.94
  4. Step 4: Simplify right side
    4,253.85x = 11,399,994.84
  5. Step 5: Solve for x
    x = 11,399,994.84/4,253.85
  6. Step 6: Final answer
    x = 2,679.92

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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.