Home / 4,638.93-6,949.12-2,789.04

Finding the Fourth Proportional to 4,638.93, 6,949.12 and 2,789.04

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Solution

The fourth proportional to 4,638.93, 6,949.12 and 2,789.04 is: 4,177.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.93 : 6,949.12 = 2,789.04 : x
  2. Step 2: Convert to fraction form
    4,638.93/6,949.12 = 2,789.04/x
  3. Step 3: Cross multiply
    4,638.93x = 6,949.12 × 2,789.04
  4. Step 4: Simplify right side
    4,638.93x = 19,381,373.64
  5. Step 5: Solve for x
    x = 19,381,373.64/4,638.93
  6. Step 6: Final answer
    x = 4,177.98

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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.