Home / 7,212.62-10,820.84-2,282.34

Finding the Fourth Proportional to 7,212.62, 10,820.84 and 2,282.34

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Solution

The fourth proportional to 7,212.62, 10,820.84 and 2,282.34 is: 3,424.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.62 : 10,820.84 = 2,282.34 : x
  2. Step 2: Convert to fraction form
    7,212.62/10,820.84 = 2,282.34/x
  3. Step 3: Cross multiply
    7,212.62x = 10,820.84 × 2,282.34
  4. Step 4: Simplify right side
    7,212.62x = 24,696,835.97
  5. Step 5: Solve for x
    x = 24,696,835.97/7,212.62
  6. Step 6: Final answer
    x = 3,424.11

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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.