Home / 8,260.34-12,382.25-3,869.91

Finding the Fourth Proportional to 8,260.34, 12,382.25 and 3,869.91

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Solution

The fourth proportional to 8,260.34, 12,382.25 and 3,869.91 is: 5,801.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.34 : 12,382.25 = 3,869.91 : x
  2. Step 2: Convert to fraction form
    8,260.34/12,382.25 = 3,869.91/x
  3. Step 3: Cross multiply
    8,260.34x = 12,382.25 × 3,869.91
  4. Step 4: Simplify right side
    8,260.34x = 47,918,173.75
  5. Step 5: Solve for x
    x = 47,918,173.75/8,260.34
  6. Step 6: Final answer
    x = 5,801.00

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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.