Home / 4,209.65-6,314.93-1,578.41

Finding the Fourth Proportional to 4,209.65, 6,314.93 and 1,578.41

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Solution

The fourth proportional to 4,209.65, 6,314.93 and 1,578.41 is: 2,367.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.65 : 6,314.93 = 1,578.41 : x
  2. Step 2: Convert to fraction form
    4,209.65/6,314.93 = 1,578.41/x
  3. Step 3: Cross multiply
    4,209.65x = 6,314.93 × 1,578.41
  4. Step 4: Simplify right side
    4,209.65x = 9,967,548.66
  5. Step 5: Solve for x
    x = 9,967,548.66/4,209.65
  6. Step 6: Final answer
    x = 2,367.79

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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.