Home / 7,161.47-10,742.72-2,997.29

Finding the Fourth Proportional to 7,161.47, 10,742.72 and 2,997.29

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Solution

The fourth proportional to 7,161.47, 10,742.72 and 2,997.29 is: 4,496.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.47 : 10,742.72 = 2,997.29 : x
  2. Step 2: Convert to fraction form
    7,161.47/10,742.72 = 2,997.29/x
  3. Step 3: Cross multiply
    7,161.47x = 10,742.72 × 2,997.29
  4. Step 4: Simplify right side
    7,161.47x = 32,198,978.53
  5. Step 5: Solve for x
    x = 32,198,978.53/7,161.47
  6. Step 6: Final answer
    x = 4,496.14

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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.