Home / 4,222.59-6,335.10-3,129.09

Finding the Fourth Proportional to 4,222.59, 6,335.10 and 3,129.09

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Solution

The fourth proportional to 4,222.59, 6,335.10 and 3,129.09 is: 4,694.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.59 : 6,335.10 = 3,129.09 : x
  2. Step 2: Convert to fraction form
    4,222.59/6,335.10 = 3,129.09/x
  3. Step 3: Cross multiply
    4,222.59x = 6,335.10 × 3,129.09
  4. Step 4: Simplify right side
    4,222.59x = 19,823,098.06
  5. Step 5: Solve for x
    x = 19,823,098.06/4,222.59
  6. Step 6: Final answer
    x = 4,694.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.