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Finding the Fourth Proportional to 7,907.52, 11,862.48 and 2,714.88

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Solution

The fourth proportional to 7,907.52, 11,862.48 and 2,714.88 is: 4,072.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907.52 : 11,862.48 = 2,714.88 : x
  2. Step 2: Convert to fraction form
    7,907.52/11,862.48 = 2,714.88/x
  3. Step 3: Cross multiply
    7,907.52x = 11,862.48 × 2,714.88
  4. Step 4: Simplify right side
    7,907.52x = 32,205,209.70
  5. Step 5: Solve for x
    x = 32,205,209.70/7,907.52
  6. Step 6: Final answer
    x = 4,072.73

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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.