Home / 7,118.82-10,678.26-4,193.64

Finding the Fourth Proportional to 7,118.82, 10,678.26 and 4,193.64

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Solution

The fourth proportional to 7,118.82, 10,678.26 and 4,193.64 is: 6,290.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.82 : 10,678.26 = 4,193.64 : x
  2. Step 2: Convert to fraction form
    7,118.82/10,678.26 = 4,193.64/x
  3. Step 3: Cross multiply
    7,118.82x = 10,678.26 × 4,193.64
  4. Step 4: Simplify right side
    7,118.82x = 44,780,778.27
  5. Step 5: Solve for x
    x = 44,780,778.27/7,118.82
  6. Step 6: Final answer
    x = 6,290.48

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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.