Home / 8,276.44-12,396.78-3,887.32

Finding the Fourth Proportional to 8,276.44, 12,396.78 and 3,887.32

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Solution

The fourth proportional to 8,276.44, 12,396.78 and 3,887.32 is: 5,822.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.44 : 12,396.78 = 3,887.32 : x
  2. Step 2: Convert to fraction form
    8,276.44/12,396.78 = 3,887.32/x
  3. Step 3: Cross multiply
    8,276.44x = 12,396.78 × 3,887.32
  4. Step 4: Simplify right side
    8,276.44x = 48,190,250.83
  5. Step 5: Solve for x
    x = 48,190,250.83/8,276.44
  6. Step 6: Final answer
    x = 5,822.58

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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.