Home / 6,255.60-9,379.56-2,151.92

Finding the Fourth Proportional to 6,255.60, 9,379.56 and 2,151.92

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Solution

The fourth proportional to 6,255.60, 9,379.56 and 2,151.92 is: 3,226.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,255.60 : 9,379.56 = 2,151.92 : x
  2. Step 2: Convert to fraction form
    6,255.60/9,379.56 = 2,151.92/x
  3. Step 3: Cross multiply
    6,255.60x = 9,379.56 × 2,151.92
  4. Step 4: Simplify right side
    6,255.60x = 20,184,062.76
  5. Step 5: Solve for x
    x = 20,184,062.76/6,255.60
  6. Step 6: Final answer
    x = 3,226.56

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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.