Home / 5,481.95-8,225.30-1,785.33

Finding the Fourth Proportional to 5,481.95, 8,225.30 and 1,785.33

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Solution

The fourth proportional to 5,481.95, 8,225.30 and 1,785.33 is: 2,678.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.95 : 8,225.30 = 1,785.33 : x
  2. Step 2: Convert to fraction form
    5,481.95/8,225.30 = 1,785.33/x
  3. Step 3: Cross multiply
    5,481.95x = 8,225.30 × 1,785.33
  4. Step 4: Simplify right side
    5,481.95x = 14,684,879.31
  5. Step 5: Solve for x
    x = 14,684,879.31/5,481.95
  6. Step 6: Final answer
    x = 2,678.77

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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.