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Finding the Fourth Proportional to 8,855.35, 13,275.12 and 3,304.42

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Solution

The fourth proportional to 8,855.35, 13,275.12 and 3,304.42 is: 4,953.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.35 : 13,275.12 = 3,304.42 : x
  2. Step 2: Convert to fraction form
    8,855.35/13,275.12 = 3,304.42/x
  3. Step 3: Cross multiply
    8,855.35x = 13,275.12 × 3,304.42
  4. Step 4: Simplify right side
    8,855.35x = 43,866,572.03
  5. Step 5: Solve for x
    x = 43,866,572.03/8,855.35
  6. Step 6: Final answer
    x = 4,953.68

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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.