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Finding the Fourth Proportional to 4,874.64, 7,307.64 and 3,725.52

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Solution

The fourth proportional to 4,874.64, 7,307.64 and 3,725.52 is: 5,584.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.64 : 7,307.64 = 3,725.52 : x
  2. Step 2: Convert to fraction form
    4,874.64/7,307.64 = 3,725.52/x
  3. Step 3: Cross multiply
    4,874.64x = 7,307.64 × 3,725.52
  4. Step 4: Simplify right side
    4,874.64x = 27,224,758.97
  5. Step 5: Solve for x
    x = 27,224,758.97/4,874.64
  6. Step 6: Final answer
    x = 5,584.98

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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.