Home / 8,175.82-11,281.12-4,988.38

Finding the Fourth Proportional to 8,175.82, 11,281.12 and 4,988.38

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Solution

The fourth proportional to 8,175.82, 11,281.12 and 4,988.38 is: 6,883.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.82 : 11,281.12 = 4,988.38 : x
  2. Step 2: Convert to fraction form
    8,175.82/11,281.12 = 4,988.38/x
  3. Step 3: Cross multiply
    8,175.82x = 11,281.12 × 4,988.38
  4. Step 4: Simplify right side
    8,175.82x = 56,274,513.39
  5. Step 5: Solve for x
    x = 56,274,513.39/8,175.82
  6. Step 6: Final answer
    x = 6,883.04

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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.