Home / 8,259.10-12,377.38-3,511.30

Finding the Fourth Proportional to 8,259.10, 12,377.38 and 3,511.30

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Solution

The fourth proportional to 8,259.10, 12,377.38 and 3,511.30 is: 5,262.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.10 : 12,377.38 = 3,511.30 : x
  2. Step 2: Convert to fraction form
    8,259.10/12,377.38 = 3,511.30/x
  3. Step 3: Cross multiply
    8,259.10x = 12,377.38 × 3,511.30
  4. Step 4: Simplify right side
    8,259.10x = 43,460,694.39
  5. Step 5: Solve for x
    x = 43,460,694.39/8,259.10
  6. Step 6: Final answer
    x = 5,262.16

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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.