Home / 6,991.11-10,488.49-2,608.91

Finding the Fourth Proportional to 6,991.11, 10,488.49 and 2,608.91

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Solution

The fourth proportional to 6,991.11, 10,488.49 and 2,608.91 is: 3,914.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991.11 : 10,488.49 = 2,608.91 : x
  2. Step 2: Convert to fraction form
    6,991.11/10,488.49 = 2,608.91/x
  3. Step 3: Cross multiply
    6,991.11x = 10,488.49 × 2,608.91
  4. Step 4: Simplify right side
    6,991.11x = 27,363,506.81
  5. Step 5: Solve for x
    x = 27,363,506.81/6,991.11
  6. Step 6: Final answer
    x = 3,914.04

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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.