Home / 7,222.61-10,834.29-2,028.89

Finding the Fourth Proportional to 7,222.61, 10,834.29 and 2,028.89

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Solution

The fourth proportional to 7,222.61, 10,834.29 and 2,028.89 is: 3,043.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.61 : 10,834.29 = 2,028.89 : x
  2. Step 2: Convert to fraction form
    7,222.61/10,834.29 = 2,028.89/x
  3. Step 3: Cross multiply
    7,222.61x = 10,834.29 × 2,028.89
  4. Step 4: Simplify right side
    7,222.61x = 21,981,528.47
  5. Step 5: Solve for x
    x = 21,981,528.47/7,222.61
  6. Step 6: Final answer
    x = 3,043.43

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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.