Home / 6,753.78-9,320.39-3,770.19

Finding the Fourth Proportional to 6,753.78, 9,320.39 and 3,770.19

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Solution

The fourth proportional to 6,753.78, 9,320.39 and 3,770.19 is: 5,202.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,753.78 : 9,320.39 = 3,770.19 : x
  2. Step 2: Convert to fraction form
    6,753.78/9,320.39 = 3,770.19/x
  3. Step 3: Cross multiply
    6,753.78x = 9,320.39 × 3,770.19
  4. Step 4: Simplify right side
    6,753.78x = 35,139,622.32
  5. Step 5: Solve for x
    x = 35,139,622.32/6,753.78
  6. Step 6: Final answer
    x = 5,202.96

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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.