Home / 8,259.43-12,385.03-2,636.36

Finding the Fourth Proportional to 8,259.43, 12,385.03 and 2,636.36

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Solution

The fourth proportional to 8,259.43, 12,385.03 and 2,636.36 is: 3,953.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.43 : 12,385.03 = 2,636.36 : x
  2. Step 2: Convert to fraction form
    8,259.43/12,385.03 = 2,636.36/x
  3. Step 3: Cross multiply
    8,259.43x = 12,385.03 × 2,636.36
  4. Step 4: Simplify right side
    8,259.43x = 32,651,455.17
  5. Step 5: Solve for x
    x = 32,651,455.17/8,259.43
  6. Step 6: Final answer
    x = 3,953.23

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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.