Home / 4,824.86-7,230.77-2,189.09

Finding the Fourth Proportional to 4,824.86, 7,230.77 and 2,189.09

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Solution

The fourth proportional to 4,824.86, 7,230.77 and 2,189.09 is: 3,280.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,824.86 : 7,230.77 = 2,189.09 : x
  2. Step 2: Convert to fraction form
    4,824.86/7,230.77 = 2,189.09/x
  3. Step 3: Cross multiply
    4,824.86x = 7,230.77 × 2,189.09
  4. Step 4: Simplify right side
    4,824.86x = 15,828,821.64
  5. Step 5: Solve for x
    x = 15,828,821.64/4,824.86
  6. Step 6: Final answer
    x = 3,280.68

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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.