Home / 8,831.19-12,179.99-5,809.41

Finding the Fourth Proportional to 8,831.19, 12,179.99 and 5,809.41

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Solution

The fourth proportional to 8,831.19, 12,179.99 and 5,809.41 is: 8,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.19 : 12,179.99 = 5,809.41 : x
  2. Step 2: Convert to fraction form
    8,831.19/12,179.99 = 5,809.41/x
  3. Step 3: Cross multiply
    8,831.19x = 12,179.99 × 5,809.41
  4. Step 4: Simplify right side
    8,831.19x = 70,758,571.63
  5. Step 5: Solve for x
    x = 70,758,571.63/8,831.19
  6. Step 6: Final answer
    x = 8,012.35

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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.