Home / 7,927.66-11,887.44-4,229.20

Finding the Fourth Proportional to 7,927.66, 11,887.44 and 4,229.20

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Solution

The fourth proportional to 7,927.66, 11,887.44 and 4,229.20 is: 6,341.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.66 : 11,887.44 = 4,229.20 : x
  2. Step 2: Convert to fraction form
    7,927.66/11,887.44 = 4,229.20/x
  3. Step 3: Cross multiply
    7,927.66x = 11,887.44 × 4,229.20
  4. Step 4: Simplify right side
    7,927.66x = 50,274,361.25
  5. Step 5: Solve for x
    x = 50,274,361.25/7,927.66
  6. Step 6: Final answer
    x = 6,341.64

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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.