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Finding the Fourth Proportional to 6,672.30, 9,998.73 and 3,751.44

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Solution

The fourth proportional to 6,672.30, 9,998.73 and 3,751.44 is: 5,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672.30 : 9,998.73 = 3,751.44 : x
  2. Step 2: Convert to fraction form
    6,672.30/9,998.73 = 3,751.44/x
  3. Step 3: Cross multiply
    6,672.30x = 9,998.73 × 3,751.44
  4. Step 4: Simplify right side
    6,672.30x = 37,509,635.67
  5. Step 5: Solve for x
    x = 37,509,635.67/6,672.30
  6. Step 6: Final answer
    x = 5,621.70

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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.