Home / 7,401.22-11,101.47-2,720.87

Finding the Fourth Proportional to 7,401.22, 11,101.47 and 2,720.87

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Solution

The fourth proportional to 7,401.22, 11,101.47 and 2,720.87 is: 4,081.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.22 : 11,101.47 = 2,720.87 : x
  2. Step 2: Convert to fraction form
    7,401.22/11,101.47 = 2,720.87/x
  3. Step 3: Cross multiply
    7,401.22x = 11,101.47 × 2,720.87
  4. Step 4: Simplify right side
    7,401.22x = 30,205,656.68
  5. Step 5: Solve for x
    x = 30,205,656.68/7,401.22
  6. Step 6: Final answer
    x = 4,081.17

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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.