Home / 7,906.35-11,860.20-2,359.34

Finding the Fourth Proportional to 7,906.35, 11,860.20 and 2,359.34

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Solution

The fourth proportional to 7,906.35, 11,860.20 and 2,359.34 is: 3,539.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906.35 : 11,860.20 = 2,359.34 : x
  2. Step 2: Convert to fraction form
    7,906.35/11,860.20 = 2,359.34/x
  3. Step 3: Cross multiply
    7,906.35x = 11,860.20 × 2,359.34
  4. Step 4: Simplify right side
    7,906.35x = 27,982,244.27
  5. Step 5: Solve for x
    x = 27,982,244.27/7,906.35
  6. Step 6: Final answer
    x = 3,539.21

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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.