Home / 4,721.49-6,514.38-2,731.68

Finding the Fourth Proportional to 4,721.49, 6,514.38 and 2,731.68

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Solution

The fourth proportional to 4,721.49, 6,514.38 and 2,731.68 is: 3,768.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.49 : 6,514.38 = 2,731.68 : x
  2. Step 2: Convert to fraction form
    4,721.49/6,514.38 = 2,731.68/x
  3. Step 3: Cross multiply
    4,721.49x = 6,514.38 × 2,731.68
  4. Step 4: Simplify right side
    4,721.49x = 17,795,201.56
  5. Step 5: Solve for x
    x = 17,795,201.56/4,721.49
  6. Step 6: Final answer
    x = 3,768.98

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1.5x scale

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.