Home / 5,815.41-8,025.22-3,162.83

Finding the Fourth Proportional to 5,815.41, 8,025.22 and 3,162.83

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Solution

The fourth proportional to 5,815.41, 8,025.22 and 3,162.83 is: 4,364.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.41 : 8,025.22 = 3,162.83 : x
  2. Step 2: Convert to fraction form
    5,815.41/8,025.22 = 3,162.83/x
  3. Step 3: Cross multiply
    5,815.41x = 8,025.22 × 3,162.83
  4. Step 4: Simplify right side
    5,815.41x = 25,382,370.40
  5. Step 5: Solve for x
    x = 25,382,370.40/5,815.41
  6. Step 6: Final answer
    x = 4,364.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.