Home / 5,577.78-8,367.57-1,880.34

Finding the Fourth Proportional to 5,577.78, 8,367.57 and 1,880.34

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Solution

The fourth proportional to 5,577.78, 8,367.57 and 1,880.34 is: 2,820.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.78 : 8,367.57 = 1,880.34 : x
  2. Step 2: Convert to fraction form
    5,577.78/8,367.57 = 1,880.34/x
  3. Step 3: Cross multiply
    5,577.78x = 8,367.57 × 1,880.34
  4. Step 4: Simplify right side
    5,577.78x = 15,733,876.57
  5. Step 5: Solve for x
    x = 15,733,876.57/5,577.78
  6. Step 6: Final answer
    x = 2,820.81

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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.