Home / 5,611.99-8,415.23-3,207.43

Finding the Fourth Proportional to 5,611.99, 8,415.23 and 3,207.43

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Solution

The fourth proportional to 5,611.99, 8,415.23 and 3,207.43 is: 4,809.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.99 : 8,415.23 = 3,207.43 : x
  2. Step 2: Convert to fraction form
    5,611.99/8,415.23 = 3,207.43/x
  3. Step 3: Cross multiply
    5,611.99x = 8,415.23 × 3,207.43
  4. Step 4: Simplify right side
    5,611.99x = 26,991,203.05
  5. Step 5: Solve for x
    x = 26,991,203.05/5,611.99
  6. Step 6: Final answer
    x = 4,809.56

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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.