Home / 7,401.51-11,098.82-2,720.32

Finding the Fourth Proportional to 7,401.51, 11,098.82 and 2,720.32

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Solution

The fourth proportional to 7,401.51, 11,098.82 and 2,720.32 is: 4,079.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.51 : 11,098.82 = 2,720.32 : x
  2. Step 2: Convert to fraction form
    7,401.51/11,098.82 = 2,720.32/x
  3. Step 3: Cross multiply
    7,401.51x = 11,098.82 × 2,720.32
  4. Step 4: Simplify right side
    7,401.51x = 30,192,321.08
  5. Step 5: Solve for x
    x = 30,192,321.08/7,401.51
  6. Step 6: Final answer
    x = 4,079.21

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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.