Home / 6,780.11-10,167.44-4,311.54

Finding the Fourth Proportional to 6,780.11, 10,167.44 and 4,311.54

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Solution

The fourth proportional to 6,780.11, 10,167.44 and 4,311.54 is: 6,465.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.11 : 10,167.44 = 4,311.54 : x
  2. Step 2: Convert to fraction form
    6,780.11/10,167.44 = 4,311.54/x
  3. Step 3: Cross multiply
    6,780.11x = 10,167.44 × 4,311.54
  4. Step 4: Simplify right side
    6,780.11x = 43,837,302.70
  5. Step 5: Solve for x
    x = 43,837,302.70/6,780.11
  6. Step 6: Final answer
    x = 6,465.58

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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.