Home / 7,997.49-11,971.13-5,805.63

Finding the Fourth Proportional to 7,997.49, 11,971.13 and 5,805.63

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Solution

The fourth proportional to 7,997.49, 11,971.13 and 5,805.63 is: 8,690.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.49 : 11,971.13 = 5,805.63 : x
  2. Step 2: Convert to fraction form
    7,997.49/11,971.13 = 5,805.63/x
  3. Step 3: Cross multiply
    7,997.49x = 11,971.13 × 5,805.63
  4. Step 4: Simplify right side
    7,997.49x = 69,499,922.43
  5. Step 5: Solve for x
    x = 69,499,922.43/7,997.49
  6. Step 6: Final answer
    x = 8,690.22

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.