Home / 4,193.80-6,278.55-4,072.30

Finding the Fourth Proportional to 4,193.80, 6,278.55 and 4,072.30

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Solution

The fourth proportional to 4,193.80, 6,278.55 and 4,072.30 is: 6,096.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193.80 : 6,278.55 = 4,072.30 : x
  2. Step 2: Convert to fraction form
    4,193.80/6,278.55 = 4,072.30/x
  3. Step 3: Cross multiply
    4,193.80x = 6,278.55 × 4,072.30
  4. Step 4: Simplify right side
    4,193.80x = 25,568,139.17
  5. Step 5: Solve for x
    x = 25,568,139.17/4,193.80
  6. Step 6: Final answer
    x = 6,096.65

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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.