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Finding the Fourth Proportional to 6,216.21, 9,321.11 and 1,833.10

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Solution

The fourth proportional to 6,216.21, 9,321.11 and 1,833.10 is: 2,748.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,216.21 : 9,321.11 = 1,833.10 : x
  2. Step 2: Convert to fraction form
    6,216.21/9,321.11 = 1,833.10/x
  3. Step 3: Cross multiply
    6,216.21x = 9,321.11 × 1,833.10
  4. Step 4: Simplify right side
    6,216.21x = 17,086,531.32
  5. Step 5: Solve for x
    x = 17,086,531.32/6,216.21
  6. Step 6: Final answer
    x = 2,748.70

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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.