Home / 8,914.25-13,370.74-3,720.13

Finding the Fourth Proportional to 8,914.25, 13,370.74 and 3,720.13

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Solution

The fourth proportional to 8,914.25, 13,370.74 and 3,720.13 is: 5,579.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.25 : 13,370.74 = 3,720.13 : x
  2. Step 2: Convert to fraction form
    8,914.25/13,370.74 = 3,720.13/x
  3. Step 3: Cross multiply
    8,914.25x = 13,370.74 × 3,720.13
  4. Step 4: Simplify right side
    8,914.25x = 49,740,848.27
  5. Step 5: Solve for x
    x = 49,740,848.27/8,914.25
  6. Step 6: Final answer
    x = 5,579.92

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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.