Home / 4,260.12-6,386.22-3,909.75

Finding the Fourth Proportional to 4,260.12, 6,386.22 and 3,909.75

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Solution

The fourth proportional to 4,260.12, 6,386.22 and 3,909.75 is: 5,860.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.12 : 6,386.22 = 3,909.75 : x
  2. Step 2: Convert to fraction form
    4,260.12/6,386.22 = 3,909.75/x
  3. Step 3: Cross multiply
    4,260.12x = 6,386.22 × 3,909.75
  4. Step 4: Simplify right side
    4,260.12x = 24,968,523.65
  5. Step 5: Solve for x
    x = 24,968,523.65/4,260.12
  6. Step 6: Final answer
    x = 5,860.99

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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.