Home / 4,913.44-6,780.50-2,675.31

Finding the Fourth Proportional to 4,913.44, 6,780.50 and 2,675.31

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Solution

The fourth proportional to 4,913.44, 6,780.50 and 2,675.31 is: 3,691.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.44 : 6,780.50 = 2,675.31 : x
  2. Step 2: Convert to fraction form
    4,913.44/6,780.50 = 2,675.31/x
  3. Step 3: Cross multiply
    4,913.44x = 6,780.50 × 2,675.31
  4. Step 4: Simplify right side
    4,913.44x = 18,139,939.46
  5. Step 5: Solve for x
    x = 18,139,939.46/4,913.44
  6. Step 6: Final answer
    x = 3,691.90

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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.