Home / 6,929.20-9,559.92-3,944.29

Finding the Fourth Proportional to 6,929.20, 9,559.92 and 3,944.29

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Solution

The fourth proportional to 6,929.20, 9,559.92 and 3,944.29 is: 5,441.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.20 : 9,559.92 = 3,944.29 : x
  2. Step 2: Convert to fraction form
    6,929.20/9,559.92 = 3,944.29/x
  3. Step 3: Cross multiply
    6,929.20x = 9,559.92 × 3,944.29
  4. Step 4: Simplify right side
    6,929.20x = 37,707,096.86
  5. Step 5: Solve for x
    x = 37,707,096.86/6,929.20
  6. Step 6: Final answer
    x = 5,441.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.