Home / 8,821.14-12,173.72-5,831.79

Finding the Fourth Proportional to 8,821.14, 12,173.72 and 5,831.79

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Solution

The fourth proportional to 8,821.14, 12,173.72 and 5,831.79 is: 8,048.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.14 : 12,173.72 = 5,831.79 : x
  2. Step 2: Convert to fraction form
    8,821.14/12,173.72 = 5,831.79/x
  3. Step 3: Cross multiply
    8,821.14x = 12,173.72 × 5,831.79
  4. Step 4: Simplify right side
    8,821.14x = 70,994,578.56
  5. Step 5: Solve for x
    x = 70,994,578.56/8,821.14
  6. Step 6: Final answer
    x = 8,048.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.