Home / 4,786.23-7,176.92-2,187.75

Finding the Fourth Proportional to 4,786.23, 7,176.92 and 2,187.75

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Solution

The fourth proportional to 4,786.23, 7,176.92 and 2,187.75 is: 3,280.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.23 : 7,176.92 = 2,187.75 : x
  2. Step 2: Convert to fraction form
    4,786.23/7,176.92 = 2,187.75/x
  3. Step 3: Cross multiply
    4,786.23x = 7,176.92 × 2,187.75
  4. Step 4: Simplify right side
    4,786.23x = 15,701,295.79
  5. Step 5: Solve for x
    x = 15,701,295.79/4,786.23
  6. Step 6: Final answer
    x = 3,280.51

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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.