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Finding the Fourth Proportional to 7,407.01, 11,107.72 and 3,022.12

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Solution

The fourth proportional to 7,407.01, 11,107.72 and 3,022.12 is: 4,532.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.01 : 11,107.72 = 3,022.12 : x
  2. Step 2: Convert to fraction form
    7,407.01/11,107.72 = 3,022.12/x
  3. Step 3: Cross multiply
    7,407.01x = 11,107.72 × 3,022.12
  4. Step 4: Simplify right side
    7,407.01x = 33,568,862.77
  5. Step 5: Solve for x
    x = 33,568,862.77/7,407.01
  6. Step 6: Final answer
    x = 4,532.04

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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.