Home / 6,780.66-10,173.15-5,399.34

Finding the Fourth Proportional to 6,780.66, 10,173.15 and 5,399.34

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Solution

The fourth proportional to 6,780.66, 10,173.15 and 5,399.34 is: 8,100.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.66 : 10,173.15 = 5,399.34 : x
  2. Step 2: Convert to fraction form
    6,780.66/10,173.15 = 5,399.34/x
  3. Step 3: Cross multiply
    6,780.66x = 10,173.15 × 5,399.34
  4. Step 4: Simplify right side
    6,780.66x = 54,928,295.72
  5. Step 5: Solve for x
    x = 54,928,295.72/6,780.66
  6. Step 6: Final answer
    x = 8,100.73

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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.