Home / 6,865.85-10,297.85-1,935.88

Finding the Fourth Proportional to 6,865.85, 10,297.85 and 1,935.88

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Solution

The fourth proportional to 6,865.85, 10,297.85 and 1,935.88 is: 2,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.85 : 10,297.85 = 1,935.88 : x
  2. Step 2: Convert to fraction form
    6,865.85/10,297.85 = 1,935.88/x
  3. Step 3: Cross multiply
    6,865.85x = 10,297.85 × 1,935.88
  4. Step 4: Simplify right side
    6,865.85x = 19,935,366.43
  5. Step 5: Solve for x
    x = 19,935,366.43/6,865.85
  6. Step 6: Final answer
    x = 2,903.55

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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.