Home / 5,624.36-7,761.41-3,106.42

Finding the Fourth Proportional to 5,624.36, 7,761.41 and 3,106.42

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Solution

The fourth proportional to 5,624.36, 7,761.41 and 3,106.42 is: 4,286.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624.36 : 7,761.41 = 3,106.42 : x
  2. Step 2: Convert to fraction form
    5,624.36/7,761.41 = 3,106.42/x
  3. Step 3: Cross multiply
    5,624.36x = 7,761.41 × 3,106.42
  4. Step 4: Simplify right side
    5,624.36x = 24,110,175.97
  5. Step 5: Solve for x
    x = 24,110,175.97/5,624.36
  6. Step 6: Final answer
    x = 4,286.74

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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.