Home / 7,682.96-11,510.25-3,981.26

Finding the Fourth Proportional to 7,682.96, 11,510.25 and 3,981.26

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Solution

The fourth proportional to 7,682.96, 11,510.25 and 3,981.26 is: 5,964.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,682.96 : 11,510.25 = 3,981.26 : x
  2. Step 2: Convert to fraction form
    7,682.96/11,510.25 = 3,981.26/x
  3. Step 3: Cross multiply
    7,682.96x = 11,510.25 × 3,981.26
  4. Step 4: Simplify right side
    7,682.96x = 45,825,240.36
  5. Step 5: Solve for x
    x = 45,825,240.36/7,682.96
  6. Step 6: Final answer
    x = 5,964.53

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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.