Home / 8,310.67-12,461.85-2,762.07

Finding the Fourth Proportional to 8,310.67, 12,461.85 and 2,762.07

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Solution

The fourth proportional to 8,310.67, 12,461.85 and 2,762.07 is: 4,141.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.67 : 12,461.85 = 2,762.07 : x
  2. Step 2: Convert to fraction form
    8,310.67/12,461.85 = 2,762.07/x
  3. Step 3: Cross multiply
    8,310.67x = 12,461.85 × 2,762.07
  4. Step 4: Simplify right side
    8,310.67x = 34,420,455.30
  5. Step 5: Solve for x
    x = 34,420,455.30/8,310.67
  6. Step 6: Final answer
    x = 4,141.72

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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.