Home / 6,768.38-10,151.37-1,838.40

Finding the Fourth Proportional to 6,768.38, 10,151.37 and 1,838.40

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Solution

The fourth proportional to 6,768.38, 10,151.37 and 1,838.40 is: 2,757.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.38 : 10,151.37 = 1,838.40 : x
  2. Step 2: Convert to fraction form
    6,768.38/10,151.37 = 1,838.40/x
  3. Step 3: Cross multiply
    6,768.38x = 10,151.37 × 1,838.40
  4. Step 4: Simplify right side
    6,768.38x = 18,662,269.42
  5. Step 5: Solve for x
    x = 18,662,269.42/6,768.38
  6. Step 6: Final answer
    x = 2,757.27

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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.