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Finding the Fourth Proportional to 8,808.18, 13,212.12 and 2,964.79

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Solution

The fourth proportional to 8,808.18, 13,212.12 and 2,964.79 is: 4,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.18 : 13,212.12 = 2,964.79 : x
  2. Step 2: Convert to fraction form
    8,808.18/13,212.12 = 2,964.79/x
  3. Step 3: Cross multiply
    8,808.18x = 13,212.12 × 2,964.79
  4. Step 4: Simplify right side
    8,808.18x = 39,171,161.25
  5. Step 5: Solve for x
    x = 39,171,161.25/8,808.18
  6. Step 6: Final answer
    x = 4,447.13

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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.