Home / 4,721.44-6,515.80-2,731.61

Finding the Fourth Proportional to 4,721.44, 6,515.80 and 2,731.61

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Solution

The fourth proportional to 4,721.44, 6,515.80 and 2,731.61 is: 3,769.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.44 : 6,515.80 = 2,731.61 : x
  2. Step 2: Convert to fraction form
    4,721.44/6,515.80 = 2,731.61/x
  3. Step 3: Cross multiply
    4,721.44x = 6,515.80 × 2,731.61
  4. Step 4: Simplify right side
    4,721.44x = 17,798,624.44
  5. Step 5: Solve for x
    x = 17,798,624.44/4,721.44
  6. Step 6: Final answer
    x = 3,769.74

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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.