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Finding the Fourth Proportional to 8,860, 12,226.74 and 4,881.04

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Solution

The fourth proportional to 8,860, 12,226.74 and 4,881.04 is: 6,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860 : 12,226.74 = 4,881.04 : x
  2. Step 2: Convert to fraction form
    8,860/12,226.74 = 4,881.04/x
  3. Step 3: Cross multiply
    8,860x = 12,226.74 × 4,881.04
  4. Step 4: Simplify right side
    8,860x = 59,679,207.01
  5. Step 5: Solve for x
    x = 59,679,207.01/8,860
  6. Step 6: Final answer
    x = 6,735.80

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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.