Home / 5,205.52-7,808.26-2,086.92

Finding the Fourth Proportional to 5,205.52, 7,808.26 and 2,086.92

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Solution

The fourth proportional to 5,205.52, 7,808.26 and 2,086.92 is: 3,130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.52 : 7,808.26 = 2,086.92 : x
  2. Step 2: Convert to fraction form
    5,205.52/7,808.26 = 2,086.92/x
  3. Step 3: Cross multiply
    5,205.52x = 7,808.26 × 2,086.92
  4. Step 4: Simplify right side
    5,205.52x = 16,295,213.96
  5. Step 5: Solve for x
    x = 16,295,213.96/5,205.52
  6. Step 6: Final answer
    x = 3,130.37

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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.