Home / 8,986.44-13,466.70-5,082.78

Finding the Fourth Proportional to 8,986.44, 13,466.70 and 5,082.78

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Solution

The fourth proportional to 8,986.44, 13,466.70 and 5,082.78 is: 7,616.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986.44 : 13,466.70 = 5,082.78 : x
  2. Step 2: Convert to fraction form
    8,986.44/13,466.70 = 5,082.78/x
  3. Step 3: Cross multiply
    8,986.44x = 13,466.70 × 5,082.78
  4. Step 4: Simplify right side
    8,986.44x = 68,448,273.43
  5. Step 5: Solve for x
    x = 68,448,273.43/8,986.44
  6. Step 6: Final answer
    x = 7,616.84

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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.