Home / 9,128.97-13,693.82-2,555.73

Finding the Fourth Proportional to 9,128.97, 13,693.82 and 2,555.73

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Solution

The fourth proportional to 9,128.97, 13,693.82 and 2,555.73 is: 3,833.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128.97 : 13,693.82 = 2,555.73 : x
  2. Step 2: Convert to fraction form
    9,128.97/13,693.82 = 2,555.73/x
  3. Step 3: Cross multiply
    9,128.97x = 13,693.82 × 2,555.73
  4. Step 4: Simplify right side
    9,128.97x = 34,997,693.81
  5. Step 5: Solve for x
    x = 34,997,693.81/9,128.97
  6. Step 6: Final answer
    x = 3,833.70

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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.