Home / 9,126.72-13,690.44-2,553.48

Finding the Fourth Proportional to 9,126.72, 13,690.44 and 2,553.48

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Solution

The fourth proportional to 9,126.72, 13,690.44 and 2,553.48 is: 3,830.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.72 : 13,690.44 = 2,553.48 : x
  2. Step 2: Convert to fraction form
    9,126.72/13,690.44 = 2,553.48/x
  3. Step 3: Cross multiply
    9,126.72x = 13,690.44 × 2,553.48
  4. Step 4: Simplify right side
    9,126.72x = 34,958,264.73
  5. Step 5: Solve for x
    x = 34,958,264.73/9,126.72
  6. Step 6: Final answer
    x = 3,830.32

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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.