Home / 6,868.89-10,305.39-4,871.43

Finding the Fourth Proportional to 6,868.89, 10,305.39 and 4,871.43

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Solution

The fourth proportional to 6,868.89, 10,305.39 and 4,871.43 is: 7,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.89 : 10,305.39 = 4,871.43 : x
  2. Step 2: Convert to fraction form
    6,868.89/10,305.39 = 4,871.43/x
  3. Step 3: Cross multiply
    6,868.89x = 10,305.39 × 4,871.43
  4. Step 4: Simplify right side
    6,868.89x = 50,201,986.01
  5. Step 5: Solve for x
    x = 50,201,986.01/6,868.89
  6. Step 6: Final answer
    x = 7,308.60

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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.