Home / 5,684.14-8,520.70-2,912.12

Finding the Fourth Proportional to 5,684.14, 8,520.70 and 2,912.12

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Solution

The fourth proportional to 5,684.14, 8,520.70 and 2,912.12 is: 4,365.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,684.14 : 8,520.70 = 2,912.12 : x
  2. Step 2: Convert to fraction form
    5,684.14/8,520.70 = 2,912.12/x
  3. Step 3: Cross multiply
    5,684.14x = 8,520.70 × 2,912.12
  4. Step 4: Simplify right side
    5,684.14x = 24,813,300.88
  5. Step 5: Solve for x
    x = 24,813,300.88/5,684.14
  6. Step 6: Final answer
    x = 4,365.36

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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.