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Finding the Fourth Proportional to 5,092.53, 7,018.18 and 3,971.70

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Solution

The fourth proportional to 5,092.53, 7,018.18 and 3,971.70 is: 5,473.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.53 : 7,018.18 = 3,971.70 : x
  2. Step 2: Convert to fraction form
    5,092.53/7,018.18 = 3,971.70/x
  3. Step 3: Cross multiply
    5,092.53x = 7,018.18 × 3,971.70
  4. Step 4: Simplify right side
    5,092.53x = 27,874,105.51
  5. Step 5: Solve for x
    x = 27,874,105.51/5,092.53
  6. Step 6: Final answer
    x = 5,473.53

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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.