Home / 8,905.89-13,358.87-3,357.75

Finding the Fourth Proportional to 8,905.89, 13,358.87 and 3,357.75

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Solution

The fourth proportional to 8,905.89, 13,358.87 and 3,357.75 is: 5,036.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.89 : 13,358.87 = 3,357.75 : x
  2. Step 2: Convert to fraction form
    8,905.89/13,358.87 = 3,357.75/x
  3. Step 3: Cross multiply
    8,905.89x = 13,358.87 × 3,357.75
  4. Step 4: Simplify right side
    8,905.89x = 44,855,745.74
  5. Step 5: Solve for x
    x = 44,855,745.74/8,905.89
  6. Step 6: Final answer
    x = 5,036.64

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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.