Home / 7,419.09-11,127.42-2,223.75

Finding the Fourth Proportional to 7,419.09, 11,127.42 and 2,223.75

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Solution

The fourth proportional to 7,419.09, 11,127.42 and 2,223.75 is: 3,335.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.09 : 11,127.42 = 2,223.75 : x
  2. Step 2: Convert to fraction form
    7,419.09/11,127.42 = 2,223.75/x
  3. Step 3: Cross multiply
    7,419.09x = 11,127.42 × 2,223.75
  4. Step 4: Simplify right side
    7,419.09x = 24,744,600.23
  5. Step 5: Solve for x
    x = 24,744,600.23/7,419.09
  6. Step 6: Final answer
    x = 3,335.26

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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.