Home / 6,957.12-10,441.20-2,578.80

Finding the Fourth Proportional to 6,957.12, 10,441.20 and 2,578.80

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Solution

The fourth proportional to 6,957.12, 10,441.20 and 2,578.80 is: 3,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,957.12 : 10,441.20 = 2,578.80 : x
  2. Step 2: Convert to fraction form
    6,957.12/10,441.20 = 2,578.80/x
  3. Step 3: Cross multiply
    6,957.12x = 10,441.20 × 2,578.80
  4. Step 4: Simplify right side
    6,957.12x = 26,925,766.56
  5. Step 5: Solve for x
    x = 26,925,766.56/6,957.12
  6. Step 6: Final answer
    x = 3,870.25

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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.