Home / 8,694.05-11,992.37-5,154.75

Finding the Fourth Proportional to 8,694.05, 11,992.37 and 5,154.75

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Solution

The fourth proportional to 8,694.05, 11,992.37 and 5,154.75 is: 7,110.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.05 : 11,992.37 = 5,154.75 : x
  2. Step 2: Convert to fraction form
    8,694.05/11,992.37 = 5,154.75/x
  3. Step 3: Cross multiply
    8,694.05x = 11,992.37 × 5,154.75
  4. Step 4: Simplify right side
    8,694.05x = 61,817,643.48
  5. Step 5: Solve for x
    x = 61,817,643.48/8,694.05
  6. Step 6: Final answer
    x = 7,110.34

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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.