Home / 6,940.20-9,577.70-3,796.39

Finding the Fourth Proportional to 6,940.20, 9,577.70 and 3,796.39

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Solution

The fourth proportional to 6,940.20, 9,577.70 and 3,796.39 is: 5,239.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940.20 : 9,577.70 = 3,796.39 : x
  2. Step 2: Convert to fraction form
    6,940.20/9,577.70 = 3,796.39/x
  3. Step 3: Cross multiply
    6,940.20x = 9,577.70 × 3,796.39
  4. Step 4: Simplify right side
    6,940.20x = 36,360,617.63
  5. Step 5: Solve for x
    x = 36,360,617.63/6,940.20
  6. Step 6: Final answer
    x = 5,239.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.