Home / 8,925.75-13,390.44-3,081.60

Finding the Fourth Proportional to 8,925.75, 13,390.44 and 3,081.60

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Solution

The fourth proportional to 8,925.75, 13,390.44 and 3,081.60 is: 4,623.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,925.75 : 13,390.44 = 3,081.60 : x
  2. Step 2: Convert to fraction form
    8,925.75/13,390.44 = 3,081.60/x
  3. Step 3: Cross multiply
    8,925.75x = 13,390.44 × 3,081.60
  4. Step 4: Simplify right side
    8,925.75x = 41,263,979.90
  5. Step 5: Solve for x
    x = 41,263,979.90/8,925.75
  6. Step 6: Final answer
    x = 4,623.03

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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.