Home / 5,674.66-8,511.95-2,211.91

Finding the Fourth Proportional to 5,674.66, 8,511.95 and 2,211.91

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Solution

The fourth proportional to 5,674.66, 8,511.95 and 2,211.91 is: 3,317.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674.66 : 8,511.95 = 2,211.91 : x
  2. Step 2: Convert to fraction form
    5,674.66/8,511.95 = 2,211.91/x
  3. Step 3: Cross multiply
    5,674.66x = 8,511.95 × 2,211.91
  4. Step 4: Simplify right side
    5,674.66x = 18,827,651.57
  5. Step 5: Solve for x
    x = 18,827,651.57/5,674.66
  6. Step 6: Final answer
    x = 3,317.85

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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.