Home / 8,140.15-11,233.94-4,555.44

Finding the Fourth Proportional to 8,140.15, 11,233.94 and 4,555.44

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Solution

The fourth proportional to 8,140.15, 11,233.94 and 4,555.44 is: 6,286.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.15 : 11,233.94 = 4,555.44 : x
  2. Step 2: Convert to fraction form
    8,140.15/11,233.94 = 4,555.44/x
  3. Step 3: Cross multiply
    8,140.15x = 11,233.94 × 4,555.44
  4. Step 4: Simplify right side
    8,140.15x = 51,175,542.48
  5. Step 5: Solve for x
    x = 51,175,542.48/8,140.15
  6. Step 6: Final answer
    x = 6,286.81

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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.