Home / 7,221.16-10,832.56-2,838.04

Finding the Fourth Proportional to 7,221.16, 10,832.56 and 2,838.04

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Solution

The fourth proportional to 7,221.16, 10,832.56 and 2,838.04 is: 4,257.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.16 : 10,832.56 = 2,838.04 : x
  2. Step 2: Convert to fraction form
    7,221.16/10,832.56 = 2,838.04/x
  3. Step 3: Cross multiply
    7,221.16x = 10,832.56 × 2,838.04
  4. Step 4: Simplify right side
    7,221.16x = 30,743,238.58
  5. Step 5: Solve for x
    x = 30,743,238.58/7,221.16
  6. Step 6: Final answer
    x = 4,257.38

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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.