Home / 7,450.68-11,165.94-2,831.16

Finding the Fourth Proportional to 7,450.68, 11,165.94 and 2,831.16

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Solution

The fourth proportional to 7,450.68, 11,165.94 and 2,831.16 is: 4,242.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.68 : 11,165.94 = 2,831.16 : x
  2. Step 2: Convert to fraction form
    7,450.68/11,165.94 = 2,831.16/x
  3. Step 3: Cross multiply
    7,450.68x = 11,165.94 × 2,831.16
  4. Step 4: Simplify right side
    7,450.68x = 31,612,562.69
  5. Step 5: Solve for x
    x = 31,612,562.69/7,450.68
  6. Step 6: Final answer
    x = 4,242.91

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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.