Home / 7,099.77-10,651.22-2,169.80

Finding the Fourth Proportional to 7,099.77, 10,651.22 and 2,169.80

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Solution

The fourth proportional to 7,099.77, 10,651.22 and 2,169.80 is: 3,255.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.77 : 10,651.22 = 2,169.80 : x
  2. Step 2: Convert to fraction form
    7,099.77/10,651.22 = 2,169.80/x
  3. Step 3: Cross multiply
    7,099.77x = 10,651.22 × 2,169.80
  4. Step 4: Simplify right side
    7,099.77x = 23,110,963.90
  5. Step 5: Solve for x
    x = 23,110,963.90/7,099.77
  6. Step 6: Final answer
    x = 3,255.17

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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.