Home / 6,108.11-8,427.24-3,717.90

Finding the Fourth Proportional to 6,108.11, 8,427.24 and 3,717.90

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Solution

The fourth proportional to 6,108.11, 8,427.24 and 3,717.90 is: 5,129.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.11 : 8,427.24 = 3,717.90 : x
  2. Step 2: Convert to fraction form
    6,108.11/8,427.24 = 3,717.90/x
  3. Step 3: Cross multiply
    6,108.11x = 8,427.24 × 3,717.90
  4. Step 4: Simplify right side
    6,108.11x = 31,331,635.60
  5. Step 5: Solve for x
    x = 31,331,635.60/6,108.11
  6. Step 6: Final answer
    x = 5,129.52

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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.