Home / 5,891.21-8,129.55-3,238.10

Finding the Fourth Proportional to 5,891.21, 8,129.55 and 3,238.10

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Solution

The fourth proportional to 5,891.21, 8,129.55 and 3,238.10 is: 4,468.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.21 : 8,129.55 = 3,238.10 : x
  2. Step 2: Convert to fraction form
    5,891.21/8,129.55 = 3,238.10/x
  3. Step 3: Cross multiply
    5,891.21x = 8,129.55 × 3,238.10
  4. Step 4: Simplify right side
    5,891.21x = 26,324,316.18
  5. Step 5: Solve for x
    x = 26,324,316.18/5,891.21
  6. Step 6: Final answer
    x = 4,468.41

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Half scale
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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.