Home / 5,419.57-8,129.16-2,297.56

Finding the Fourth Proportional to 5,419.57, 8,129.16 and 2,297.56

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Solution

The fourth proportional to 5,419.57, 8,129.16 and 2,297.56 is: 3,446.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.57 : 8,129.16 = 2,297.56 : x
  2. Step 2: Convert to fraction form
    5,419.57/8,129.16 = 2,297.56/x
  3. Step 3: Cross multiply
    5,419.57x = 8,129.16 × 2,297.56
  4. Step 4: Simplify right side
    5,419.57x = 18,677,232.85
  5. Step 5: Solve for x
    x = 18,677,232.85/5,419.57
  6. Step 6: Final answer
    x = 3,446.26

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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.