Home / 6,209.56-9,309.94-2,920.86

Finding the Fourth Proportional to 6,209.56, 9,309.94 and 2,920.86

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Solution

The fourth proportional to 6,209.56, 9,309.94 and 2,920.86 is: 4,379.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,209.56 : 9,309.94 = 2,920.86 : x
  2. Step 2: Convert to fraction form
    6,209.56/9,309.94 = 2,920.86/x
  3. Step 3: Cross multiply
    6,209.56x = 9,309.94 × 2,920.86
  4. Step 4: Simplify right side
    6,209.56x = 27,193,024.05
  5. Step 5: Solve for x
    x = 27,193,024.05/6,209.56
  6. Step 6: Final answer
    x = 4,379.22

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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.