Home / 7,153.17-10,728.84-2,222.70

Finding the Fourth Proportional to 7,153.17, 10,728.84 and 2,222.70

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Solution

The fourth proportional to 7,153.17, 10,728.84 and 2,222.70 is: 3,333.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.17 : 10,728.84 = 2,222.70 : x
  2. Step 2: Convert to fraction form
    7,153.17/10,728.84 = 2,222.70/x
  3. Step 3: Cross multiply
    7,153.17x = 10,728.84 × 2,222.70
  4. Step 4: Simplify right side
    7,153.17x = 23,846,992.67
  5. Step 5: Solve for x
    x = 23,846,992.67/7,153.17
  6. Step 6: Final answer
    x = 3,333.77

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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.