Home / 4,247.84-6,373.88-2,843.20

Finding the Fourth Proportional to 4,247.84, 6,373.88 and 2,843.20

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Solution

The fourth proportional to 4,247.84, 6,373.88 and 2,843.20 is: 4,266.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.84 : 6,373.88 = 2,843.20 : x
  2. Step 2: Convert to fraction form
    4,247.84/6,373.88 = 2,843.20/x
  3. Step 3: Cross multiply
    4,247.84x = 6,373.88 × 2,843.20
  4. Step 4: Simplify right side
    4,247.84x = 18,122,215.62
  5. Step 5: Solve for x
    x = 18,122,215.62/4,247.84
  6. Step 6: Final answer
    x = 4,266.22

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1.5x scale

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.