Home / 4,831.38-7,249.80-2,057.76

Finding the Fourth Proportional to 4,831.38, 7,249.80 and 2,057.76

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Solution

The fourth proportional to 4,831.38, 7,249.80 and 2,057.76 is: 3,087.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.38 : 7,249.80 = 2,057.76 : x
  2. Step 2: Convert to fraction form
    4,831.38/7,249.80 = 2,057.76/x
  3. Step 3: Cross multiply
    4,831.38x = 7,249.80 × 2,057.76
  4. Step 4: Simplify right side
    4,831.38x = 14,918,348.45
  5. Step 5: Solve for x
    x = 14,918,348.45/4,831.38
  6. Step 6: Final answer
    x = 3,087.81

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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.