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Finding the Fourth Proportional to 7,099.25, 10,649.41 and 2,169.25

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Solution

The fourth proportional to 7,099.25, 10,649.41 and 2,169.25 is: 3,254.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.25 : 10,649.41 = 2,169.25 : x
  2. Step 2: Convert to fraction form
    7,099.25/10,649.41 = 2,169.25/x
  3. Step 3: Cross multiply
    7,099.25x = 10,649.41 × 2,169.25
  4. Step 4: Simplify right side
    7,099.25x = 23,101,200.60
  5. Step 5: Solve for x
    x = 23,101,200.60/7,099.25
  6. Step 6: Final answer
    x = 3,254.04

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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.