Home / 8,259.62-12,393.06-3,876.70

Finding the Fourth Proportional to 8,259.62, 12,393.06 and 3,876.70

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Solution

The fourth proportional to 8,259.62, 12,393.06 and 3,876.70 is: 5,816.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.62 : 12,393.06 = 3,876.70 : x
  2. Step 2: Convert to fraction form
    8,259.62/12,393.06 = 3,876.70/x
  3. Step 3: Cross multiply
    8,259.62x = 12,393.06 × 3,876.70
  4. Step 4: Simplify right side
    8,259.62x = 48,044,175.70
  5. Step 5: Solve for x
    x = 48,044,175.70/8,259.62
  6. Step 6: Final answer
    x = 5,816.75

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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.