Home / 9,261.78-13,894.83-2,688.09

Finding the Fourth Proportional to 9,261.78, 13,894.83 and 2,688.09

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Solution

The fourth proportional to 9,261.78, 13,894.83 and 2,688.09 is: 4,032.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261.78 : 13,894.83 = 2,688.09 : x
  2. Step 2: Convert to fraction form
    9,261.78/13,894.83 = 2,688.09/x
  3. Step 3: Cross multiply
    9,261.78x = 13,894.83 × 2,688.09
  4. Step 4: Simplify right side
    9,261.78x = 37,350,553.57
  5. Step 5: Solve for x
    x = 37,350,553.57/9,261.78
  6. Step 6: Final answer
    x = 4,032.76

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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.