Home / 5,485.08-8,226.66-1,789.94

Finding the Fourth Proportional to 5,485.08, 8,226.66 and 1,789.94

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Solution

The fourth proportional to 5,485.08, 8,226.66 and 1,789.94 is: 2,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.08 : 8,226.66 = 1,789.94 : x
  2. Step 2: Convert to fraction form
    5,485.08/8,226.66 = 1,789.94/x
  3. Step 3: Cross multiply
    5,485.08x = 8,226.66 × 1,789.94
  4. Step 4: Simplify right side
    5,485.08x = 14,725,227.80
  5. Step 5: Solve for x
    x = 14,725,227.80/5,485.08
  6. Step 6: Final answer
    x = 2,684.60

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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.