Home / 5,343.68-7,372.66-3,105.12

Finding the Fourth Proportional to 5,343.68, 7,372.66 and 3,105.12

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Solution

The fourth proportional to 5,343.68, 7,372.66 and 3,105.12 is: 4,284.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.68 : 7,372.66 = 3,105.12 : x
  2. Step 2: Convert to fraction form
    5,343.68/7,372.66 = 3,105.12/x
  3. Step 3: Cross multiply
    5,343.68x = 7,372.66 × 3,105.12
  4. Step 4: Simplify right side
    5,343.68x = 22,892,994.02
  5. Step 5: Solve for x
    x = 22,892,994.02/5,343.68
  6. Step 6: Final answer
    x = 4,284.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.