Home / 8,213.22-12,311.01-2,943.16

Finding the Fourth Proportional to 8,213.22, 12,311.01 and 2,943.16

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Solution

The fourth proportional to 8,213.22, 12,311.01 and 2,943.16 is: 4,411.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.22 : 12,311.01 = 2,943.16 : x
  2. Step 2: Convert to fraction form
    8,213.22/12,311.01 = 2,943.16/x
  3. Step 3: Cross multiply
    8,213.22x = 12,311.01 × 2,943.16
  4. Step 4: Simplify right side
    8,213.22x = 36,233,241.41
  5. Step 5: Solve for x
    x = 36,233,241.41/8,213.22
  6. Step 6: Final answer
    x = 4,411.58

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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.