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Finding the Fourth Proportional to 9,881.88, 14,822.82 and 3,724.44

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Solution

The fourth proportional to 9,881.88, 14,822.82 and 3,724.44 is: 5,586.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,881.88 : 14,822.82 = 3,724.44 : x
  2. Step 2: Convert to fraction form
    9,881.88/14,822.82 = 3,724.44/x
  3. Step 3: Cross multiply
    9,881.88x = 14,822.82 × 3,724.44
  4. Step 4: Simplify right side
    9,881.88x = 55,206,703.72
  5. Step 5: Solve for x
    x = 55,206,703.72/9,881.88
  6. Step 6: Final answer
    x = 5,586.66

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Similar ratio
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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.