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Finding the Fourth Proportional to 6,799.06, 10,200.21 and 2,639.17

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Solution

The fourth proportional to 6,799.06, 10,200.21 and 2,639.17 is: 3,959.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,799.06 : 10,200.21 = 2,639.17 : x
  2. Step 2: Convert to fraction form
    6,799.06/10,200.21 = 2,639.17/x
  3. Step 3: Cross multiply
    6,799.06x = 10,200.21 × 2,639.17
  4. Step 4: Simplify right side
    6,799.06x = 26,920,024.03
  5. Step 5: Solve for x
    x = 26,920,024.03/6,799.06
  6. Step 6: Final answer
    x = 3,959.38

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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.