Home / 6,660.97-9,991.49-2,712.35

Finding the Fourth Proportional to 6,660.97, 9,991.49 and 2,712.35

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Solution

The fourth proportional to 6,660.97, 9,991.49 and 2,712.35 is: 4,068.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.97 : 9,991.49 = 2,712.35 : x
  2. Step 2: Convert to fraction form
    6,660.97/9,991.49 = 2,712.35/x
  3. Step 3: Cross multiply
    6,660.97x = 9,991.49 × 2,712.35
  4. Step 4: Simplify right side
    6,660.97x = 27,100,429.32
  5. Step 5: Solve for x
    x = 27,100,429.32/6,660.97
  6. Step 6: Final answer
    x = 4,068.54

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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.