Home / 5,183.20-7,774.76-2,990.52

Finding the Fourth Proportional to 5,183.20, 7,774.76 and 2,990.52

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Solution

The fourth proportional to 5,183.20, 7,774.76 and 2,990.52 is: 4,485.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.20 : 7,774.76 = 2,990.52 : x
  2. Step 2: Convert to fraction form
    5,183.20/7,774.76 = 2,990.52/x
  3. Step 3: Cross multiply
    5,183.20x = 7,774.76 × 2,990.52
  4. Step 4: Simplify right side
    5,183.20x = 23,250,575.28
  5. Step 5: Solve for x
    x = 23,250,575.28/5,183.20
  6. Step 6: Final answer
    x = 4,485.76

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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.