Home / 7,060.92-9,744.66-3,917.76

Finding the Fourth Proportional to 7,060.92, 9,744.66 and 3,917.76

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Solution

The fourth proportional to 7,060.92, 9,744.66 and 3,917.76 is: 5,406.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.92 : 9,744.66 = 3,917.76 : x
  2. Step 2: Convert to fraction form
    7,060.92/9,744.66 = 3,917.76/x
  3. Step 3: Cross multiply
    7,060.92x = 9,744.66 × 3,917.76
  4. Step 4: Simplify right side
    7,060.92x = 38,177,239.16
  5. Step 5: Solve for x
    x = 38,177,239.16/7,060.92
  6. Step 6: Final answer
    x = 5,406.84

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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.