Home / 9,260.78-13,893.32-2,687.09

Finding the Fourth Proportional to 9,260.78, 13,893.32 and 2,687.09

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Solution

The fourth proportional to 9,260.78, 13,893.32 and 2,687.09 is: 4,031.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260.78 : 13,893.32 = 2,687.09 : x
  2. Step 2: Convert to fraction form
    9,260.78/13,893.32 = 2,687.09/x
  3. Step 3: Cross multiply
    9,260.78x = 13,893.32 × 2,687.09
  4. Step 4: Simplify right side
    9,260.78x = 37,332,538.49
  5. Step 5: Solve for x
    x = 37,332,538.49/9,260.78
  6. Step 6: Final answer
    x = 4,031.25

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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.