Home / 5,485.83-8,226.46-3,402.71

Finding the Fourth Proportional to 5,485.83, 8,226.46 and 3,402.71

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Solution

The fourth proportional to 5,485.83, 8,226.46 and 3,402.71 is: 5,102.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.83 : 8,226.46 = 3,402.71 : x
  2. Step 2: Convert to fraction form
    5,485.83/8,226.46 = 3,402.71/x
  3. Step 3: Cross multiply
    5,485.83x = 8,226.46 × 3,402.71
  4. Step 4: Simplify right side
    5,485.83x = 27,992,251.68
  5. Step 5: Solve for x
    x = 27,992,251.68/5,485.83
  6. Step 6: Final answer
    x = 5,102.65

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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.