Home / 4,425.70-6,639.50-2,205.74

Finding the Fourth Proportional to 4,425.70, 6,639.50 and 2,205.74

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Solution

The fourth proportional to 4,425.70, 6,639.50 and 2,205.74 is: 3,309.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,425.70 : 6,639.50 = 2,205.74 : x
  2. Step 2: Convert to fraction form
    4,425.70/6,639.50 = 2,205.74/x
  3. Step 3: Cross multiply
    4,425.70x = 6,639.50 × 2,205.74
  4. Step 4: Simplify right side
    4,425.70x = 14,644,992.85
  5. Step 5: Solve for x
    x = 14,644,992.85/4,425.70
  6. Step 6: Final answer
    x = 3,309.08

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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.