Home / 6,780.24-10,169.32-1,850.28

Finding the Fourth Proportional to 6,780.24, 10,169.32 and 1,850.28

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Solution

The fourth proportional to 6,780.24, 10,169.32 and 1,850.28 is: 2,775.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.24 : 10,169.32 = 1,850.28 : x
  2. Step 2: Convert to fraction form
    6,780.24/10,169.32 = 1,850.28/x
  3. Step 3: Cross multiply
    6,780.24x = 10,169.32 × 1,850.28
  4. Step 4: Simplify right side
    6,780.24x = 18,816,080.16
  5. Step 5: Solve for x
    x = 18,816,080.16/6,780.24
  6. Step 6: Final answer
    x = 2,775.13

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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.