Home / 9,127.20-13,690.92-3,203.85

Finding the Fourth Proportional to 9,127.20, 13,690.92 and 3,203.85

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Solution

The fourth proportional to 9,127.20, 13,690.92 and 3,203.85 is: 4,805.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.20 : 13,690.92 = 3,203.85 : x
  2. Step 2: Convert to fraction form
    9,127.20/13,690.92 = 3,203.85/x
  3. Step 3: Cross multiply
    9,127.20x = 13,690.92 × 3,203.85
  4. Step 4: Simplify right side
    9,127.20x = 43,863,638.02
  5. Step 5: Solve for x
    x = 43,863,638.02/9,127.20
  6. Step 6: Final answer
    x = 4,805.82

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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.