Home / 6,860.20-10,306.74-4,399.82

Finding the Fourth Proportional to 6,860.20, 10,306.74 and 4,399.82

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Solution

The fourth proportional to 6,860.20, 10,306.74 and 4,399.82 is: 6,610.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.20 : 10,306.74 = 4,399.82 : x
  2. Step 2: Convert to fraction form
    6,860.20/10,306.74 = 4,399.82/x
  3. Step 3: Cross multiply
    6,860.20x = 10,306.74 × 4,399.82
  4. Step 4: Simplify right side
    6,860.20x = 45,347,800.79
  5. Step 5: Solve for x
    x = 45,347,800.79/6,860.20
  6. Step 6: Final answer
    x = 6,610.27

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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.