Home / 5,911.27-8,157.57-3,553.45

Finding the Fourth Proportional to 5,911.27, 8,157.57 and 3,553.45

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Solution

The fourth proportional to 5,911.27, 8,157.57 and 3,553.45 is: 4,903.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.27 : 8,157.57 = 3,553.45 : x
  2. Step 2: Convert to fraction form
    5,911.27/8,157.57 = 3,553.45/x
  3. Step 3: Cross multiply
    5,911.27x = 8,157.57 × 3,553.45
  4. Step 4: Simplify right side
    5,911.27x = 28,987,517.12
  5. Step 5: Solve for x
    x = 28,987,517.12/5,911.27
  6. Step 6: Final answer
    x = 4,903.77

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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.