Home / 8,259.32-12,393.39-3,876.82

Finding the Fourth Proportional to 8,259.32, 12,393.39 and 3,876.82

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Solution

The fourth proportional to 8,259.32, 12,393.39 and 3,876.82 is: 5,817.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.32 : 12,393.39 = 3,876.82 : x
  2. Step 2: Convert to fraction form
    8,259.32/12,393.39 = 3,876.82/x
  3. Step 3: Cross multiply
    8,259.32x = 12,393.39 × 3,876.82
  4. Step 4: Simplify right side
    8,259.32x = 48,046,880.25
  5. Step 5: Solve for x
    x = 48,046,880.25/8,259.32
  6. Step 6: Final answer
    x = 5,817.29

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1.5x scale

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.