Home / 6,939.80-10,410.37-1,942.18

Finding the Fourth Proportional to 6,939.80, 10,410.37 and 1,942.18

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Solution

The fourth proportional to 6,939.80, 10,410.37 and 1,942.18 is: 2,913.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.80 : 10,410.37 = 1,942.18 : x
  2. Step 2: Convert to fraction form
    6,939.80/10,410.37 = 1,942.18/x
  3. Step 3: Cross multiply
    6,939.80x = 10,410.37 × 1,942.18
  4. Step 4: Simplify right side
    6,939.80x = 20,218,781.53
  5. Step 5: Solve for x
    x = 20,218,781.53/6,939.80
  6. Step 6: Final answer
    x = 2,913.45

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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.