Home / 6,861.15-9,467.87-3,877.26

Finding the Fourth Proportional to 6,861.15, 9,467.87 and 3,877.26

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Solution

The fourth proportional to 6,861.15, 9,467.87 and 3,877.26 is: 5,350.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.15 : 9,467.87 = 3,877.26 : x
  2. Step 2: Convert to fraction form
    6,861.15/9,467.87 = 3,877.26/x
  3. Step 3: Cross multiply
    6,861.15x = 9,467.87 × 3,877.26
  4. Step 4: Simplify right side
    6,861.15x = 36,709,374.25
  5. Step 5: Solve for x
    x = 36,709,374.25/6,861.15
  6. Step 6: Final answer
    x = 5,350.32

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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.