Home / 5,815.45-8,025.26-3,162.88

Finding the Fourth Proportional to 5,815.45, 8,025.26 and 3,162.88

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Solution

The fourth proportional to 5,815.45, 8,025.26 and 3,162.88 is: 4,364.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.45 : 8,025.26 = 3,162.88 : x
  2. Step 2: Convert to fraction form
    5,815.45/8,025.26 = 3,162.88/x
  3. Step 3: Cross multiply
    5,815.45x = 8,025.26 × 3,162.88
  4. Step 4: Simplify right side
    5,815.45x = 25,382,934.35
  5. Step 5: Solve for x
    x = 25,382,934.35/5,815.45
  6. Step 6: Final answer
    x = 4,364.74

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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.