Home / 4,638.63-6,955.79-2,691.39

Finding the Fourth Proportional to 4,638.63, 6,955.79 and 2,691.39

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Solution

The fourth proportional to 4,638.63, 6,955.79 and 2,691.39 is: 4,035.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.63 : 6,955.79 = 2,691.39 : x
  2. Step 2: Convert to fraction form
    4,638.63/6,955.79 = 2,691.39/x
  3. Step 3: Cross multiply
    4,638.63x = 6,955.79 × 2,691.39
  4. Step 4: Simplify right side
    4,638.63x = 18,720,730.19
  5. Step 5: Solve for x
    x = 18,720,730.19/4,638.63
  6. Step 6: Final answer
    x = 4,035.83

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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.