Home / 8,160.91-11,268.41-6,269.49

Finding the Fourth Proportional to 8,160.91, 11,268.41 and 6,269.49

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Solution

The fourth proportional to 8,160.91, 11,268.41 and 6,269.49 is: 8,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.91 : 11,268.41 = 6,269.49 : x
  2. Step 2: Convert to fraction form
    8,160.91/11,268.41 = 6,269.49/x
  3. Step 3: Cross multiply
    8,160.91x = 11,268.41 × 6,269.49
  4. Step 4: Simplify right side
    8,160.91x = 70,647,152.46
  5. Step 5: Solve for x
    x = 70,647,152.46/8,160.91
  6. Step 6: Final answer
    x = 8,656.78

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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.