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Finding the Fourth Proportional to 6,915.84, 9,543.93 and 3,772.02

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Solution

The fourth proportional to 6,915.84, 9,543.93 and 3,772.02 is: 5,205.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.84 : 9,543.93 = 3,772.02 : x
  2. Step 2: Convert to fraction form
    6,915.84/9,543.93 = 3,772.02/x
  3. Step 3: Cross multiply
    6,915.84x = 9,543.93 × 3,772.02
  4. Step 4: Simplify right side
    6,915.84x = 35,999,894.84
  5. Step 5: Solve for x
    x = 35,999,894.84/6,915.84
  6. Step 6: Final answer
    x = 5,205.43

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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.