Home / 6,172.17-8,517.60-3,519.51

Finding the Fourth Proportional to 6,172.17, 8,517.60 and 3,519.51

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Solution

The fourth proportional to 6,172.17, 8,517.60 and 3,519.51 is: 4,856.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.17 : 8,517.60 = 3,519.51 : x
  2. Step 2: Convert to fraction form
    6,172.17/8,517.60 = 3,519.51/x
  3. Step 3: Cross multiply
    6,172.17x = 8,517.60 × 3,519.51
  4. Step 4: Simplify right side
    6,172.17x = 29,977,778.38
  5. Step 5: Solve for x
    x = 29,977,778.38/6,172.17
  6. Step 6: Final answer
    x = 4,856.93

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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.