Home / 8,839.41-13,261.71-3,571.70

Finding the Fourth Proportional to 8,839.41, 13,261.71 and 3,571.70

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Solution

The fourth proportional to 8,839.41, 13,261.71 and 3,571.70 is: 5,358.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.41 : 13,261.71 = 3,571.70 : x
  2. Step 2: Convert to fraction form
    8,839.41/13,261.71 = 3,571.70/x
  3. Step 3: Cross multiply
    8,839.41x = 13,261.71 × 3,571.70
  4. Step 4: Simplify right side
    8,839.41x = 47,366,852.99
  5. Step 5: Solve for x
    x = 47,366,852.99/8,839.41
  6. Step 6: Final answer
    x = 5,358.60

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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.