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Finding the Fourth Proportional to 7,153.03, 10,733.73 and 2,992.69

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Solution

The fourth proportional to 7,153.03, 10,733.73 and 2,992.69 is: 4,490.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.03 : 10,733.73 = 2,992.69 : x
  2. Step 2: Convert to fraction form
    7,153.03/10,733.73 = 2,992.69/x
  3. Step 3: Cross multiply
    7,153.03x = 10,733.73 × 2,992.69
  4. Step 4: Simplify right side
    7,153.03x = 32,122,691.33
  5. Step 5: Solve for x
    x = 32,122,691.33/7,153.03
  6. Step 6: Final answer
    x = 4,490.78

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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.