Home / 7,402.89-11,105.28-2,722.26

Finding the Fourth Proportional to 7,402.89, 11,105.28 and 2,722.26

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Solution

The fourth proportional to 7,402.89, 11,105.28 and 2,722.26 is: 4,083.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.89 : 11,105.28 = 2,722.26 : x
  2. Step 2: Convert to fraction form
    7,402.89/11,105.28 = 2,722.26/x
  3. Step 3: Cross multiply
    7,402.89x = 11,105.28 × 2,722.26
  4. Step 4: Simplify right side
    7,402.89x = 30,231,459.53
  5. Step 5: Solve for x
    x = 30,231,459.53/7,402.89
  6. Step 6: Final answer
    x = 4,083.74

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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.