Home / 7,887.22-11,831.46-2,622.04

Finding the Fourth Proportional to 7,887.22, 11,831.46 and 2,622.04

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Solution

The fourth proportional to 7,887.22, 11,831.46 and 2,622.04 is: 3,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.22 : 11,831.46 = 2,622.04 : x
  2. Step 2: Convert to fraction form
    7,887.22/11,831.46 = 2,622.04/x
  3. Step 3: Cross multiply
    7,887.22x = 11,831.46 × 2,622.04
  4. Step 4: Simplify right side
    7,887.22x = 31,022,561.38
  5. Step 5: Solve for x
    x = 31,022,561.38/7,887.22
  6. Step 6: Final answer
    x = 3,933.27

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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.