Home / 6,371.19-8,774.46-5,135.54

Finding the Fourth Proportional to 6,371.19, 8,774.46 and 5,135.54

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Solution

The fourth proportional to 6,371.19, 8,774.46 and 5,135.54 is: 7,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371.19 : 8,774.46 = 5,135.54 : x
  2. Step 2: Convert to fraction form
    6,371.19/8,774.46 = 5,135.54/x
  3. Step 3: Cross multiply
    6,371.19x = 8,774.46 × 5,135.54
  4. Step 4: Simplify right side
    6,371.19x = 45,061,546.44
  5. Step 5: Solve for x
    x = 45,061,546.44/6,371.19
  6. Step 6: Final answer
    x = 7,072.70

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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.