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Finding the Fourth Proportional to 6,999.47, 10,499.21 and 2,068.73

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Solution

The fourth proportional to 6,999.47, 10,499.21 and 2,068.73 is: 3,103.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.47 : 10,499.21 = 2,068.73 : x
  2. Step 2: Convert to fraction form
    6,999.47/10,499.21 = 2,068.73/x
  3. Step 3: Cross multiply
    6,999.47x = 10,499.21 × 2,068.73
  4. Step 4: Simplify right side
    6,999.47x = 21,719,967.86
  5. Step 5: Solve for x
    x = 21,719,967.86/6,999.47
  6. Step 6: Final answer
    x = 3,103.09

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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.