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Finding the Fourth Proportional to 6,764.72, 10,147.08 and 2,148.08

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Solution

The fourth proportional to 6,764.72, 10,147.08 and 2,148.08 is: 3,222.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764.72 : 10,147.08 = 2,148.08 : x
  2. Step 2: Convert to fraction form
    6,764.72/10,147.08 = 2,148.08/x
  3. Step 3: Cross multiply
    6,764.72x = 10,147.08 × 2,148.08
  4. Step 4: Simplify right side
    6,764.72x = 21,796,739.61
  5. Step 5: Solve for x
    x = 21,796,739.61/6,764.72
  6. Step 6: Final answer
    x = 3,222.12

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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.