Home / 7,419.10-11,128.62-2,224.96

Finding the Fourth Proportional to 7,419.10, 11,128.62 and 2,224.96

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Solution

The fourth proportional to 7,419.10, 11,128.62 and 2,224.96 is: 3,337.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.10 : 11,128.62 = 2,224.96 : x
  2. Step 2: Convert to fraction form
    7,419.10/11,128.62 = 2,224.96/x
  3. Step 3: Cross multiply
    7,419.10x = 11,128.62 × 2,224.96
  4. Step 4: Simplify right side
    7,419.10x = 24,760,734.36
  5. Step 5: Solve for x
    x = 24,760,734.36/7,419.10
  6. Step 6: Final answer
    x = 3,337.43

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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.