Home / 5,715.58-8,578.22-2,255.26

Finding the Fourth Proportional to 5,715.58, 8,578.22 and 2,255.26

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Solution

The fourth proportional to 5,715.58, 8,578.22 and 2,255.26 is: 3,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.58 : 8,578.22 = 2,255.26 : x
  2. Step 2: Convert to fraction form
    5,715.58/8,578.22 = 2,255.26/x
  3. Step 3: Cross multiply
    5,715.58x = 8,578.22 × 2,255.26
  4. Step 4: Simplify right side
    5,715.58x = 19,346,116.44
  5. Step 5: Solve for x
    x = 19,346,116.44/5,715.58
  6. Step 6: Final answer
    x = 3,384.80

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1.5x scale

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.