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Finding the Fourth Proportional to 8,881.84, 13,323.57 and 2,641.80

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Solution

The fourth proportional to 8,881.84, 13,323.57 and 2,641.80 is: 3,962.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.84 : 13,323.57 = 2,641.80 : x
  2. Step 2: Convert to fraction form
    8,881.84/13,323.57 = 2,641.80/x
  3. Step 3: Cross multiply
    8,881.84x = 13,323.57 × 2,641.80
  4. Step 4: Simplify right side
    8,881.84x = 35,198,207.23
  5. Step 5: Solve for x
    x = 35,198,207.23/8,881.84
  6. Step 6: Final answer
    x = 3,962.94

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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.