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Finding the Fourth Proportional to 8,915.16, 12,302.39 and 4,936.04

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Solution

The fourth proportional to 8,915.16, 12,302.39 and 4,936.04 is: 6,811.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.16 : 12,302.39 = 4,936.04 : x
  2. Step 2: Convert to fraction form
    8,915.16/12,302.39 = 4,936.04/x
  3. Step 3: Cross multiply
    8,915.16x = 12,302.39 × 4,936.04
  4. Step 4: Simplify right side
    8,915.16x = 60,725,089.14
  5. Step 5: Solve for x
    x = 60,725,089.14/8,915.16
  6. Step 6: Final answer
    x = 6,811.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.