Home / 4,783.86-7,169.58-2,315.25

Finding the Fourth Proportional to 4,783.86, 7,169.58 and 2,315.25

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Solution

The fourth proportional to 4,783.86, 7,169.58 and 2,315.25 is: 3,469.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.86 : 7,169.58 = 2,315.25 : x
  2. Step 2: Convert to fraction form
    4,783.86/7,169.58 = 2,315.25/x
  3. Step 3: Cross multiply
    4,783.86x = 7,169.58 × 2,315.25
  4. Step 4: Simplify right side
    4,783.86x = 16,599,370.10
  5. Step 5: Solve for x
    x = 16,599,370.10/4,783.86
  6. Step 6: Final answer
    x = 3,469.87

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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.