Home / 5,578.03-8,367.05-2,115.28

Finding the Fourth Proportional to 5,578.03, 8,367.05 and 2,115.28

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Solution

The fourth proportional to 5,578.03, 8,367.05 and 2,115.28 is: 3,172.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.03 : 8,367.05 = 2,115.28 : x
  2. Step 2: Convert to fraction form
    5,578.03/8,367.05 = 2,115.28/x
  3. Step 3: Cross multiply
    5,578.03x = 8,367.05 × 2,115.28
  4. Step 4: Simplify right side
    5,578.03x = 17,698,657.37
  5. Step 5: Solve for x
    x = 17,698,657.37/5,578.03
  6. Step 6: Final answer
    x = 3,172.92

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Similar ratio
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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.