Home / 8,160.38-11,261.32-4,434.38

Finding the Fourth Proportional to 8,160.38, 11,261.32 and 4,434.38

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Solution

The fourth proportional to 8,160.38, 11,261.32 and 4,434.38 is: 6,119.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.38 : 11,261.32 = 4,434.38 : x
  2. Step 2: Convert to fraction form
    8,160.38/11,261.32 = 4,434.38/x
  3. Step 3: Cross multiply
    8,160.38x = 11,261.32 × 4,434.38
  4. Step 4: Simplify right side
    8,160.38x = 49,936,904.79
  5. Step 5: Solve for x
    x = 49,936,904.79/8,160.38
  6. Step 6: Final answer
    x = 6,119.44

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Half scale
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Double scale
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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.