Home / 6,780.36-10,169.01-1,850.39

Finding the Fourth Proportional to 6,780.36, 10,169.01 and 1,850.39

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Solution

The fourth proportional to 6,780.36, 10,169.01 and 1,850.39 is: 2,775.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.36 : 10,169.01 = 1,850.39 : x
  2. Step 2: Convert to fraction form
    6,780.36/10,169.01 = 1,850.39/x
  3. Step 3: Cross multiply
    6,780.36x = 10,169.01 × 1,850.39
  4. Step 4: Simplify right side
    6,780.36x = 18,816,678.90
  5. Step 5: Solve for x
    x = 18,816,678.90/6,780.36
  6. Step 6: Final answer
    x = 2,775.17

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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.