Home / 4,213.80-5,816.76-2,721.84

Finding the Fourth Proportional to 4,213.80, 5,816.76 and 2,721.84

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Solution

The fourth proportional to 4,213.80, 5,816.76 and 2,721.84 is: 3,757.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.80 : 5,816.76 = 2,721.84 : x
  2. Step 2: Convert to fraction form
    4,213.80/5,816.76 = 2,721.84/x
  3. Step 3: Cross multiply
    4,213.80x = 5,816.76 × 2,721.84
  4. Step 4: Simplify right side
    4,213.80x = 15,832,290.04
  5. Step 5: Solve for x
    x = 15,832,290.04/4,213.80
  6. Step 6: Final answer
    x = 3,757.25

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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.