Home / 5,578.32-8,357.28-2,611.32

Finding the Fourth Proportional to 5,578.32, 8,357.28 and 2,611.32

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Solution

The fourth proportional to 5,578.32, 8,357.28 and 2,611.32 is: 3,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.32 : 8,357.28 = 2,611.32 : x
  2. Step 2: Convert to fraction form
    5,578.32/8,357.28 = 2,611.32/x
  3. Step 3: Cross multiply
    5,578.32x = 8,357.28 × 2,611.32
  4. Step 4: Simplify right side
    5,578.32x = 21,823,532.41
  5. Step 5: Solve for x
    x = 21,823,532.41/5,578.32
  6. Step 6: Final answer
    x = 3,912.21

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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.