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Finding the Fourth Proportional to 8,767.22, 12,102.18 and 5,933.21

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Solution

The fourth proportional to 8,767.22, 12,102.18 and 5,933.21 is: 8,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.22 : 12,102.18 = 5,933.21 : x
  2. Step 2: Convert to fraction form
    8,767.22/12,102.18 = 5,933.21/x
  3. Step 3: Cross multiply
    8,767.22x = 12,102.18 × 5,933.21
  4. Step 4: Simplify right side
    8,767.22x = 71,804,775.40
  5. Step 5: Solve for x
    x = 71,804,775.40/8,767.22
  6. Step 6: Final answer
    x = 8,190.14

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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.