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Finding the Fourth Proportional to 6,611.04, 9,915.02 and 1,930.06

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Solution

The fourth proportional to 6,611.04, 9,915.02 and 1,930.06 is: 2,894.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611.04 : 9,915.02 = 1,930.06 : x
  2. Step 2: Convert to fraction form
    6,611.04/9,915.02 = 1,930.06/x
  3. Step 3: Cross multiply
    6,611.04x = 9,915.02 × 1,930.06
  4. Step 4: Simplify right side
    6,611.04x = 19,136,524.28
  5. Step 5: Solve for x
    x = 19,136,524.28/6,611.04
  6. Step 6: Final answer
    x = 2,894.63

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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.