Home / 5,372.19-7,419.26-3,697.92

Finding the Fourth Proportional to 5,372.19, 7,419.26 and 3,697.92

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Solution

The fourth proportional to 5,372.19, 7,419.26 and 3,697.92 is: 5,107.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.19 : 7,419.26 = 3,697.92 : x
  2. Step 2: Convert to fraction form
    5,372.19/7,419.26 = 3,697.92/x
  3. Step 3: Cross multiply
    5,372.19x = 7,419.26 × 3,697.92
  4. Step 4: Simplify right side
    5,372.19x = 27,435,829.94
  5. Step 5: Solve for x
    x = 27,435,829.94/5,372.19
  6. Step 6: Final answer
    x = 5,107.01

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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.