Home / 6,991.25-10,479.56-2,606.94

Finding the Fourth Proportional to 6,991.25, 10,479.56 and 2,606.94

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Solution

The fourth proportional to 6,991.25, 10,479.56 and 2,606.94 is: 3,907.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991.25 : 10,479.56 = 2,606.94 : x
  2. Step 2: Convert to fraction form
    6,991.25/10,479.56 = 2,606.94/x
  3. Step 3: Cross multiply
    6,991.25x = 10,479.56 × 2,606.94
  4. Step 4: Simplify right side
    6,991.25x = 27,319,571.11
  5. Step 5: Solve for x
    x = 27,319,571.11/6,991.25
  6. Step 6: Final answer
    x = 3,907.68

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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.