Home / 8,850.20-12,211.87-5,072.64

Finding the Fourth Proportional to 8,850.20, 12,211.87 and 5,072.64

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Solution

The fourth proportional to 8,850.20, 12,211.87 and 5,072.64 is: 6,999.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,850.20 : 12,211.87 = 5,072.64 : x
  2. Step 2: Convert to fraction form
    8,850.20/12,211.87 = 5,072.64/x
  3. Step 3: Cross multiply
    8,850.20x = 12,211.87 × 5,072.64
  4. Step 4: Simplify right side
    8,850.20x = 61,946,420.24
  5. Step 5: Solve for x
    x = 61,946,420.24/8,850.20
  6. Step 6: Final answer
    x = 6,999.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.