Home / 7,881.62-11,818.38-2,334.27

Finding the Fourth Proportional to 7,881.62, 11,818.38 and 2,334.27

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Solution

The fourth proportional to 7,881.62, 11,818.38 and 2,334.27 is: 3,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.62 : 11,818.38 = 2,334.27 : x
  2. Step 2: Convert to fraction form
    7,881.62/11,818.38 = 2,334.27/x
  3. Step 3: Cross multiply
    7,881.62x = 11,818.38 × 2,334.27
  4. Step 4: Simplify right side
    7,881.62x = 27,587,289.88
  5. Step 5: Solve for x
    x = 27,587,289.88/7,881.62
  6. Step 6: Final answer
    x = 3,500.21

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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.