Home / 6,517.12-9,775.68-1,900.48

Finding the Fourth Proportional to 6,517.12, 9,775.68 and 1,900.48

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Solution

The fourth proportional to 6,517.12, 9,775.68 and 1,900.48 is: 2,850.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.12 : 9,775.68 = 1,900.48 : x
  2. Step 2: Convert to fraction form
    6,517.12/9,775.68 = 1,900.48/x
  3. Step 3: Cross multiply
    6,517.12x = 9,775.68 × 1,900.48
  4. Step 4: Simplify right side
    6,517.12x = 18,578,484.33
  5. Step 5: Solve for x
    x = 18,578,484.33/6,517.12
  6. Step 6: Final answer
    x = 2,850.72

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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.