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Finding the Fourth Proportional to 6,763.39, 10,146.68 and 2,146.39

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Solution

The fourth proportional to 6,763.39, 10,146.68 and 2,146.39 is: 3,220.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,763.39 : 10,146.68 = 2,146.39 : x
  2. Step 2: Convert to fraction form
    6,763.39/10,146.68 = 2,146.39/x
  3. Step 3: Cross multiply
    6,763.39x = 10,146.68 × 2,146.39
  4. Step 4: Simplify right side
    6,763.39x = 21,778,732.49
  5. Step 5: Solve for x
    x = 21,778,732.49/6,763.39
  6. Step 6: Final answer
    x = 3,220.09

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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.