Home / 6,865.80-10,299.28-1,935.48

Finding the Fourth Proportional to 6,865.80, 10,299.28 and 1,935.48

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Solution

The fourth proportional to 6,865.80, 10,299.28 and 1,935.48 is: 2,903.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.80 : 10,299.28 = 1,935.48 : x
  2. Step 2: Convert to fraction form
    6,865.80/10,299.28 = 1,935.48/x
  3. Step 3: Cross multiply
    6,865.80x = 10,299.28 × 1,935.48
  4. Step 4: Simplify right side
    6,865.80x = 19,934,050.45
  5. Step 5: Solve for x
    x = 19,934,050.45/6,865.80
  6. Step 6: Final answer
    x = 2,903.38

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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.