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Finding the Fourth Proportional to 6,999.68, 10,499.52 and 2,069.44

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Solution

The fourth proportional to 6,999.68, 10,499.52 and 2,069.44 is: 3,104.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.68 : 10,499.52 = 2,069.44 : x
  2. Step 2: Convert to fraction form
    6,999.68/10,499.52 = 2,069.44/x
  3. Step 3: Cross multiply
    6,999.68x = 10,499.52 × 2,069.44
  4. Step 4: Simplify right side
    6,999.68x = 21,728,126.67
  5. Step 5: Solve for x
    x = 21,728,126.67/6,999.68
  6. Step 6: Final answer
    x = 3,104.16

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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.