Home / 4,473.28-6,709.92-1,879.12

Finding the Fourth Proportional to 4,473.28, 6,709.92 and 1,879.12

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Solution

The fourth proportional to 4,473.28, 6,709.92 and 1,879.12 is: 2,818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,473.28 : 6,709.92 = 1,879.12 : x
  2. Step 2: Convert to fraction form
    4,473.28/6,709.92 = 1,879.12/x
  3. Step 3: Cross multiply
    4,473.28x = 6,709.92 × 1,879.12
  4. Step 4: Simplify right side
    4,473.28x = 12,608,744.87
  5. Step 5: Solve for x
    x = 12,608,744.87/4,473.28
  6. Step 6: Final answer
    x = 2,818.68

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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.