Home / 8,251.27-12,378.02-2,702.77

Finding the Fourth Proportional to 8,251.27, 12,378.02 and 2,702.77

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Solution

The fourth proportional to 8,251.27, 12,378.02 and 2,702.77 is: 4,054.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.27 : 12,378.02 = 2,702.77 : x
  2. Step 2: Convert to fraction form
    8,251.27/12,378.02 = 2,702.77/x
  3. Step 3: Cross multiply
    8,251.27x = 12,378.02 × 2,702.77
  4. Step 4: Simplify right side
    8,251.27x = 33,454,896.66
  5. Step 5: Solve for x
    x = 33,454,896.66/8,251.27
  6. Step 6: Final answer
    x = 4,054.52

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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.