Home / 7,025.88-10,539.42-1,831.75

Finding the Fourth Proportional to 7,025.88, 10,539.42 and 1,831.75

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Solution

The fourth proportional to 7,025.88, 10,539.42 and 1,831.75 is: 2,747.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025.88 : 10,539.42 = 1,831.75 : x
  2. Step 2: Convert to fraction form
    7,025.88/10,539.42 = 1,831.75/x
  3. Step 3: Cross multiply
    7,025.88x = 10,539.42 × 1,831.75
  4. Step 4: Simplify right side
    7,025.88x = 19,305,582.59
  5. Step 5: Solve for x
    x = 19,305,582.59/7,025.88
  6. Step 6: Final answer
    x = 2,747.78

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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.