Home / 5,571.20-8,340.40-4,116.84

Finding the Fourth Proportional to 5,571.20, 8,340.40 and 4,116.84

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Solution

The fourth proportional to 5,571.20, 8,340.40 and 4,116.84 is: 6,163.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.20 : 8,340.40 = 4,116.84 : x
  2. Step 2: Convert to fraction form
    5,571.20/8,340.40 = 4,116.84/x
  3. Step 3: Cross multiply
    5,571.20x = 8,340.40 × 4,116.84
  4. Step 4: Simplify right side
    5,571.20x = 34,336,092.34
  5. Step 5: Solve for x
    x = 34,336,092.34/5,571.20
  6. Step 6: Final answer
    x = 6,163.14

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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.