Home / 5,276.45-7,912.42-1,578.62

Finding the Fourth Proportional to 5,276.45, 7,912.42 and 1,578.62

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Solution

The fourth proportional to 5,276.45, 7,912.42 and 1,578.62 is: 2,367.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.45 : 7,912.42 = 1,578.62 : x
  2. Step 2: Convert to fraction form
    5,276.45/7,912.42 = 1,578.62/x
  3. Step 3: Cross multiply
    5,276.45x = 7,912.42 × 1,578.62
  4. Step 4: Simplify right side
    5,276.45x = 12,490,660.95
  5. Step 5: Solve for x
    x = 12,490,660.95/5,276.45
  6. Step 6: Final answer
    x = 2,367.25

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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.