Home / 4,992.39-7,478.87-3,255.75

Finding the Fourth Proportional to 4,992.39, 7,478.87 and 3,255.75

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Solution

The fourth proportional to 4,992.39, 7,478.87 and 3,255.75 is: 4,877.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.39 : 7,478.87 = 3,255.75 : x
  2. Step 2: Convert to fraction form
    4,992.39/7,478.87 = 3,255.75/x
  3. Step 3: Cross multiply
    4,992.39x = 7,478.87 × 3,255.75
  4. Step 4: Simplify right side
    4,992.39x = 24,349,314.72
  5. Step 5: Solve for x
    x = 24,349,314.72/4,992.39
  6. Step 6: Final answer
    x = 4,877.29

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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.