Home / 4,474.56-6,711.80-2,638.44

Finding the Fourth Proportional to 4,474.56, 6,711.80 and 2,638.44

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Solution

The fourth proportional to 4,474.56, 6,711.80 and 2,638.44 is: 3,957.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,474.56 : 6,711.80 = 2,638.44 : x
  2. Step 2: Convert to fraction form
    4,474.56/6,711.80 = 2,638.44/x
  3. Step 3: Cross multiply
    4,474.56x = 6,711.80 × 2,638.44
  4. Step 4: Simplify right side
    4,474.56x = 17,708,681.59
  5. Step 5: Solve for x
    x = 17,708,681.59/4,474.56
  6. Step 6: Final answer
    x = 3,957.64

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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.