Home / 7,708.96-11,562.18-2,161.81

Finding the Fourth Proportional to 7,708.96, 11,562.18 and 2,161.81

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Solution

The fourth proportional to 7,708.96, 11,562.18 and 2,161.81 is: 3,242.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.96 : 11,562.18 = 2,161.81 : x
  2. Step 2: Convert to fraction form
    7,708.96/11,562.18 = 2,161.81/x
  3. Step 3: Cross multiply
    7,708.96x = 11,562.18 × 2,161.81
  4. Step 4: Simplify right side
    7,708.96x = 24,995,236.35
  5. Step 5: Solve for x
    x = 24,995,236.35/7,708.96
  6. Step 6: Final answer
    x = 3,242.36

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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.