Home / 5,815.11-8,718.96-2,690.94

Finding the Fourth Proportional to 5,815.11, 8,718.96 and 2,690.94

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Solution

The fourth proportional to 5,815.11, 8,718.96 and 2,690.94 is: 4,034.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.11 : 8,718.96 = 2,690.94 : x
  2. Step 2: Convert to fraction form
    5,815.11/8,718.96 = 2,690.94/x
  3. Step 3: Cross multiply
    5,815.11x = 8,718.96 × 2,690.94
  4. Step 4: Simplify right side
    5,815.11x = 23,462,198.22
  5. Step 5: Solve for x
    x = 23,462,198.22/5,815.11
  6. Step 6: Final answer
    x = 4,034.70

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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.