Home / 8,281.08-12,411.09-3,892.50

Finding the Fourth Proportional to 8,281.08, 12,411.09 and 3,892.50

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Solution

The fourth proportional to 8,281.08, 12,411.09 and 3,892.50 is: 5,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.08 : 12,411.09 = 3,892.50 : x
  2. Step 2: Convert to fraction form
    8,281.08/12,411.09 = 3,892.50/x
  3. Step 3: Cross multiply
    8,281.08x = 12,411.09 × 3,892.50
  4. Step 4: Simplify right side
    8,281.08x = 48,310,167.83
  5. Step 5: Solve for x
    x = 48,310,167.83/8,281.08
  6. Step 6: Final answer
    x = 5,833.80

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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.