Home / 9,115.56-13,664.70-3,925.08

Finding the Fourth Proportional to 9,115.56, 13,664.70 and 3,925.08

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Solution

The fourth proportional to 9,115.56, 13,664.70 and 3,925.08 is: 5,883.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.56 : 13,664.70 = 3,925.08 : x
  2. Step 2: Convert to fraction form
    9,115.56/13,664.70 = 3,925.08/x
  3. Step 3: Cross multiply
    9,115.56x = 13,664.70 × 3,925.08
  4. Step 4: Simplify right side
    9,115.56x = 53,635,040.68
  5. Step 5: Solve for x
    x = 53,635,040.68/9,115.56
  6. Step 6: Final answer
    x = 5,883.90

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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.