Home / 4,139.96-6,238.46-3,425.60

Finding the Fourth Proportional to 4,139.96, 6,238.46 and 3,425.60

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Solution

The fourth proportional to 4,139.96, 6,238.46 and 3,425.60 is: 5,162.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.96 : 6,238.46 = 3,425.60 : x
  2. Step 2: Convert to fraction form
    4,139.96/6,238.46 = 3,425.60/x
  3. Step 3: Cross multiply
    4,139.96x = 6,238.46 × 3,425.60
  4. Step 4: Simplify right side
    4,139.96x = 21,370,468.58
  5. Step 5: Solve for x
    x = 21,370,468.58/4,139.96
  6. Step 6: Final answer
    x = 5,162.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.