Home / 6,245.20-9,364.92-1,861.52

Finding the Fourth Proportional to 6,245.20, 9,364.92 and 1,861.52

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Solution

The fourth proportional to 6,245.20, 9,364.92 and 1,861.52 is: 2,791.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,245.20 : 9,364.92 = 1,861.52 : x
  2. Step 2: Convert to fraction form
    6,245.20/9,364.92 = 1,861.52/x
  3. Step 3: Cross multiply
    6,245.20x = 9,364.92 × 1,861.52
  4. Step 4: Simplify right side
    6,245.20x = 17,432,985.88
  5. Step 5: Solve for x
    x = 17,432,985.88/6,245.20
  6. Step 6: Final answer
    x = 2,791.42

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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.