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Finding the Fourth Proportional to 6,811.26, 10,216.12 and 1,881.60

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Solution

The fourth proportional to 6,811.26, 10,216.12 and 1,881.60 is: 2,822.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.26 : 10,216.12 = 1,881.60 : x
  2. Step 2: Convert to fraction form
    6,811.26/10,216.12 = 1,881.60/x
  3. Step 3: Cross multiply
    6,811.26x = 10,216.12 × 1,881.60
  4. Step 4: Simplify right side
    6,811.26x = 19,222,651.39
  5. Step 5: Solve for x
    x = 19,222,651.39/6,811.26
  6. Step 6: Final answer
    x = 2,822.19

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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.