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Finding the Fourth Proportional to 4,446.06, 6,669.81 and 1,368.06

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Solution

The fourth proportional to 4,446.06, 6,669.81 and 1,368.06 is: 2,052.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,446.06 : 6,669.81 = 1,368.06 : x
  2. Step 2: Convert to fraction form
    4,446.06/6,669.81 = 1,368.06/x
  3. Step 3: Cross multiply
    4,446.06x = 6,669.81 × 1,368.06
  4. Step 4: Simplify right side
    4,446.06x = 9,124,700.27
  5. Step 5: Solve for x
    x = 9,124,700.27/4,446.06
  6. Step 6: Final answer
    x = 2,052.31

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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.