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Finding the Fourth Proportional to 4,922.88, 7,348.62 and 4,233.97

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Solution

The fourth proportional to 4,922.88, 7,348.62 and 4,233.97 is: 6,320.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,922.88 : 7,348.62 = 4,233.97 : x
  2. Step 2: Convert to fraction form
    4,922.88/7,348.62 = 4,233.97/x
  3. Step 3: Cross multiply
    4,922.88x = 7,348.62 × 4,233.97
  4. Step 4: Simplify right side
    4,922.88x = 31,113,861.68
  5. Step 5: Solve for x
    x = 31,113,861.68/4,922.88
  6. Step 6: Final answer
    x = 6,320.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.