Home / 6,107.20-8,427.36-3,748.96

Finding the Fourth Proportional to 6,107.20, 8,427.36 and 3,748.96

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Solution

The fourth proportional to 6,107.20, 8,427.36 and 3,748.96 is: 5,173.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.20 : 8,427.36 = 3,748.96 : x
  2. Step 2: Convert to fraction form
    6,107.20/8,427.36 = 3,748.96/x
  3. Step 3: Cross multiply
    6,107.20x = 8,427.36 × 3,748.96
  4. Step 4: Simplify right side
    6,107.20x = 31,593,835.55
  5. Step 5: Solve for x
    x = 31,593,835.55/6,107.20
  6. Step 6: Final answer
    x = 5,173.21

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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.