Home / 8,691.14-11,993.56-4,810.43

Finding the Fourth Proportional to 8,691.14, 11,993.56 and 4,810.43

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Solution

The fourth proportional to 8,691.14, 11,993.56 and 4,810.43 is: 6,638.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691.14 : 11,993.56 = 4,810.43 : x
  2. Step 2: Convert to fraction form
    8,691.14/11,993.56 = 4,810.43/x
  3. Step 3: Cross multiply
    8,691.14x = 11,993.56 × 4,810.43
  4. Step 4: Simplify right side
    8,691.14x = 57,694,150.56
  5. Step 5: Solve for x
    x = 57,694,150.56/8,691.14
  6. Step 6: Final answer
    x = 6,638.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.