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Finding the Fourth Proportional to 4,446.09, 6,669.09 and 1,326.06

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Solution

The fourth proportional to 4,446.09, 6,669.09 and 1,326.06 is: 1,989.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,446.09 : 6,669.09 = 1,326.06 : x
  2. Step 2: Convert to fraction form
    4,446.09/6,669.09 = 1,326.06/x
  3. Step 3: Cross multiply
    4,446.09x = 6,669.09 × 1,326.06
  4. Step 4: Simplify right side
    4,446.09x = 8,843,613.49
  5. Step 5: Solve for x
    x = 8,843,613.49/4,446.09
  6. Step 6: Final answer
    x = 1,989.08

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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.