Home / 8,175.20-11,288.14-6,283.80

Finding the Fourth Proportional to 8,175.20, 11,288.14 and 6,283.80

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Solution

The fourth proportional to 8,175.20, 11,288.14 and 6,283.80 is: 8,676.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.20 : 11,288.14 = 6,283.80 : x
  2. Step 2: Convert to fraction form
    8,175.20/11,288.14 = 6,283.80/x
  3. Step 3: Cross multiply
    8,175.20x = 11,288.14 × 6,283.80
  4. Step 4: Simplify right side
    8,175.20x = 70,932,398.42
  5. Step 5: Solve for x
    x = 70,932,398.42/8,175.20
  6. Step 6: Final answer
    x = 8,676.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.