Home / 6,101.37-8,420.10-3,449.85

Finding the Fourth Proportional to 6,101.37, 8,420.10 and 3,449.85

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Solution

The fourth proportional to 6,101.37, 8,420.10 and 3,449.85 is: 4,760.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101.37 : 8,420.10 = 3,449.85 : x
  2. Step 2: Convert to fraction form
    6,101.37/8,420.10 = 3,449.85/x
  3. Step 3: Cross multiply
    6,101.37x = 8,420.10 × 3,449.85
  4. Step 4: Simplify right side
    6,101.37x = 29,048,081.99
  5. Step 5: Solve for x
    x = 29,048,081.99/6,101.37
  6. Step 6: Final answer
    x = 4,760.91

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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.