Home / 4,721.16-6,511.92-2,731.44

Finding the Fourth Proportional to 4,721.16, 6,511.92 and 2,731.44

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Solution

The fourth proportional to 4,721.16, 6,511.92 and 2,731.44 is: 3,767.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.16 : 6,511.92 = 2,731.44 : x
  2. Step 2: Convert to fraction form
    4,721.16/6,511.92 = 2,731.44/x
  3. Step 3: Cross multiply
    4,721.16x = 6,511.92 × 2,731.44
  4. Step 4: Simplify right side
    4,721.16x = 17,786,918.76
  5. Step 5: Solve for x
    x = 17,786,918.76/4,721.16
  6. Step 6: Final answer
    x = 3,767.49

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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.