Home / 5,370.12-8,057.42-2,085.52

Finding the Fourth Proportional to 5,370.12, 8,057.42 and 2,085.52

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Solution

The fourth proportional to 5,370.12, 8,057.42 and 2,085.52 is: 3,129.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.12 : 8,057.42 = 2,085.52 : x
  2. Step 2: Convert to fraction form
    5,370.12/8,057.42 = 2,085.52/x
  3. Step 3: Cross multiply
    5,370.12x = 8,057.42 × 2,085.52
  4. Step 4: Simplify right side
    5,370.12x = 16,803,910.56
  5. Step 5: Solve for x
    x = 16,803,910.56/5,370.12
  6. Step 6: Final answer
    x = 3,129.15

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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.