Home / 5,183.20-7,780.26-4,268.32

Finding the Fourth Proportional to 5,183.20, 7,780.26 and 4,268.32

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Solution

The fourth proportional to 5,183.20, 7,780.26 and 4,268.32 is: 6,406.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.20 : 7,780.26 = 4,268.32 : x
  2. Step 2: Convert to fraction form
    5,183.20/7,780.26 = 4,268.32/x
  3. Step 3: Cross multiply
    5,183.20x = 7,780.26 × 4,268.32
  4. Step 4: Simplify right side
    5,183.20x = 33,208,639.36
  5. Step 5: Solve for x
    x = 33,208,639.36/5,183.20
  6. Step 6: Final answer
    x = 6,406.98

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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.