Home / 6,866.70-10,298.40-1,936.80

Finding the Fourth Proportional to 6,866.70, 10,298.40 and 1,936.80

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Solution

The fourth proportional to 6,866.70, 10,298.40 and 1,936.80 is: 2,904.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.70 : 10,298.40 = 1,936.80 : x
  2. Step 2: Convert to fraction form
    6,866.70/10,298.40 = 1,936.80/x
  3. Step 3: Cross multiply
    6,866.70x = 10,298.40 × 1,936.80
  4. Step 4: Simplify right side
    6,866.70x = 19,945,941.12
  5. Step 5: Solve for x
    x = 19,945,941.12/6,866.70
  6. Step 6: Final answer
    x = 2,904.73

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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.