Home / 6,122.31-8,449.50-3,434.27

Finding the Fourth Proportional to 6,122.31, 8,449.50 and 3,434.27

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Solution

The fourth proportional to 6,122.31, 8,449.50 and 3,434.27 is: 4,739.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.31 : 8,449.50 = 3,434.27 : x
  2. Step 2: Convert to fraction form
    6,122.31/8,449.50 = 3,434.27/x
  3. Step 3: Cross multiply
    6,122.31x = 8,449.50 × 3,434.27
  4. Step 4: Simplify right side
    6,122.31x = 29,017,876.09
  5. Step 5: Solve for x
    x = 29,017,876.09/6,122.31
  6. Step 6: Final answer
    x = 4,739.69

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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.