Home / 5,485.56-8,226.24-1,786.92

Finding the Fourth Proportional to 5,485.56, 8,226.24 and 1,786.92

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Solution

The fourth proportional to 5,485.56, 8,226.24 and 1,786.92 is: 2,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.56 : 8,226.24 = 1,786.92 : x
  2. Step 2: Convert to fraction form
    5,485.56/8,226.24 = 1,786.92/x
  3. Step 3: Cross multiply
    5,485.56x = 8,226.24 × 1,786.92
  4. Step 4: Simplify right side
    5,485.56x = 14,699,632.78
  5. Step 5: Solve for x
    x = 14,699,632.78/5,485.56
  6. Step 6: Final answer
    x = 2,679.70

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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.