Home / 4,406.84-6,081.62-2,638.10

Finding the Fourth Proportional to 4,406.84, 6,081.62 and 2,638.10

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Solution

The fourth proportional to 4,406.84, 6,081.62 and 2,638.10 is: 3,640.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,406.84 : 6,081.62 = 2,638.10 : x
  2. Step 2: Convert to fraction form
    4,406.84/6,081.62 = 2,638.10/x
  3. Step 3: Cross multiply
    4,406.84x = 6,081.62 × 2,638.10
  4. Step 4: Simplify right side
    4,406.84x = 16,043,920.72
  5. Step 5: Solve for x
    x = 16,043,920.72/4,406.84
  6. Step 6: Final answer
    x = 3,640.69

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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.