Home / 4,254.58-6,382.74-1,787.95

Finding the Fourth Proportional to 4,254.58, 6,382.74 and 1,787.95

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Solution

The fourth proportional to 4,254.58, 6,382.74 and 1,787.95 is: 2,682.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.58 : 6,382.74 = 1,787.95 : x
  2. Step 2: Convert to fraction form
    4,254.58/6,382.74 = 1,787.95/x
  3. Step 3: Cross multiply
    4,254.58x = 6,382.74 × 1,787.95
  4. Step 4: Simplify right side
    4,254.58x = 11,412,019.98
  5. Step 5: Solve for x
    x = 11,412,019.98/4,254.58
  6. Step 6: Final answer
    x = 2,682.29

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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.