Home / 5,393.20-8,081.16-4,529.20

Finding the Fourth Proportional to 5,393.20, 8,081.16 and 4,529.20

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Solution

The fourth proportional to 5,393.20, 8,081.16 and 4,529.20 is: 6,786.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.20 : 8,081.16 = 4,529.20 : x
  2. Step 2: Convert to fraction form
    5,393.20/8,081.16 = 4,529.20/x
  3. Step 3: Cross multiply
    5,393.20x = 8,081.16 × 4,529.20
  4. Step 4: Simplify right side
    5,393.20x = 36,601,189.87
  5. Step 5: Solve for x
    x = 36,601,189.87/5,393.20
  6. Step 6: Final answer
    x = 6,786.54

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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.