Home / 4,685.26-7,029.92-2,221.84

Finding the Fourth Proportional to 4,685.26, 7,029.92 and 2,221.84

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Solution

The fourth proportional to 4,685.26, 7,029.92 and 2,221.84 is: 3,333.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.26 : 7,029.92 = 2,221.84 : x
  2. Step 2: Convert to fraction form
    4,685.26/7,029.92 = 2,221.84/x
  3. Step 3: Cross multiply
    4,685.26x = 7,029.92 × 2,221.84
  4. Step 4: Simplify right side
    4,685.26x = 15,619,357.45
  5. Step 5: Solve for x
    x = 15,619,357.45/4,685.26
  6. Step 6: Final answer
    x = 3,333.72

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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.