Home / 5,372.61-8,057.70-2,086.44

Finding the Fourth Proportional to 5,372.61, 8,057.70 and 2,086.44

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Solution

The fourth proportional to 5,372.61, 8,057.70 and 2,086.44 is: 3,129.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.61 : 8,057.70 = 2,086.44 : x
  2. Step 2: Convert to fraction form
    5,372.61/8,057.70 = 2,086.44/x
  3. Step 3: Cross multiply
    5,372.61x = 8,057.70 × 2,086.44
  4. Step 4: Simplify right side
    5,372.61x = 16,811,907.59
  5. Step 5: Solve for x
    x = 16,811,907.59/5,372.61
  6. Step 6: Final answer
    x = 3,129.19

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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.