Home / 5,425.11-8,137.67-1,962.36

Finding the Fourth Proportional to 5,425.11, 8,137.67 and 1,962.36

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Solution

The fourth proportional to 5,425.11, 8,137.67 and 1,962.36 is: 2,943.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.11 : 8,137.67 = 1,962.36 : x
  2. Step 2: Convert to fraction form
    5,425.11/8,137.67 = 1,962.36/x
  3. Step 3: Cross multiply
    5,425.11x = 8,137.67 × 1,962.36
  4. Step 4: Simplify right side
    5,425.11x = 15,969,028.29
  5. Step 5: Solve for x
    x = 15,969,028.29/5,425.11
  6. Step 6: Final answer
    x = 2,943.54

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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.