Home / 4,831.89-7,249.56-2,980.85

Finding the Fourth Proportional to 4,831.89, 7,249.56 and 2,980.85

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Solution

The fourth proportional to 4,831.89, 7,249.56 and 2,980.85 is: 4,472.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.89 : 7,249.56 = 2,980.85 : x
  2. Step 2: Convert to fraction form
    4,831.89/7,249.56 = 2,980.85/x
  3. Step 3: Cross multiply
    4,831.89x = 7,249.56 × 2,980.85
  4. Step 4: Simplify right side
    4,831.89x = 21,609,799.77
  5. Step 5: Solve for x
    x = 21,609,799.77/4,831.89
  6. Step 6: Final answer
    x = 4,472.33

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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.