Home / 8,208.90-12,310.11-3,011.94

Finding the Fourth Proportional to 8,208.90, 12,310.11 and 3,011.94

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Solution

The fourth proportional to 8,208.90, 12,310.11 and 3,011.94 is: 4,516.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.90 : 12,310.11 = 3,011.94 : x
  2. Step 2: Convert to fraction form
    8,208.90/12,310.11 = 3,011.94/x
  3. Step 3: Cross multiply
    8,208.90x = 12,310.11 × 3,011.94
  4. Step 4: Simplify right side
    8,208.90x = 37,077,312.71
  5. Step 5: Solve for x
    x = 37,077,312.71/8,208.90
  6. Step 6: Final answer
    x = 4,516.72

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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.