Home / 5,589-7,712.73-3,071.12

Finding the Fourth Proportional to 5,589, 7,712.73 and 3,071.12

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Solution

The fourth proportional to 5,589, 7,712.73 and 3,071.12 is: 4,238.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589 : 7,712.73 = 3,071.12 : x
  2. Step 2: Convert to fraction form
    5,589/7,712.73 = 3,071.12/x
  3. Step 3: Cross multiply
    5,589x = 7,712.73 × 3,071.12
  4. Step 4: Simplify right side
    5,589x = 23,686,680.79
  5. Step 5: Solve for x
    x = 23,686,680.79/5,589
  6. Step 6: Final answer
    x = 4,238.09

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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.