Home / 6,991.12-10,488.22-2,061.14

Finding the Fourth Proportional to 6,991.12, 10,488.22 and 2,061.14

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Solution

The fourth proportional to 6,991.12, 10,488.22 and 2,061.14 is: 3,092.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991.12 : 10,488.22 = 2,061.14 : x
  2. Step 2: Convert to fraction form
    6,991.12/10,488.22 = 2,061.14/x
  3. Step 3: Cross multiply
    6,991.12x = 10,488.22 × 2,061.14
  4. Step 4: Simplify right side
    6,991.12x = 21,617,689.77
  5. Step 5: Solve for x
    x = 21,617,689.77/6,991.12
  6. Step 6: Final answer
    x = 3,092.16

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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.