Home / 9,058.36-13,581.17-3,990.14

Finding the Fourth Proportional to 9,058.36, 13,581.17 and 3,990.14

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Solution

The fourth proportional to 9,058.36, 13,581.17 and 3,990.14 is: 5,982.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,058.36 : 13,581.17 = 3,990.14 : x
  2. Step 2: Convert to fraction form
    9,058.36/13,581.17 = 3,990.14/x
  3. Step 3: Cross multiply
    9,058.36x = 13,581.17 × 3,990.14
  4. Step 4: Simplify right side
    9,058.36x = 54,190,785.90
  5. Step 5: Solve for x
    x = 54,190,785.90/9,058.36
  6. Step 6: Final answer
    x = 5,982.41

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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.