Home / 8,265.90-12,398.64-2,025.86

Finding the Fourth Proportional to 8,265.90, 12,398.64 and 2,025.86

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Solution

The fourth proportional to 8,265.90, 12,398.64 and 2,025.86 is: 3,038.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.90 : 12,398.64 = 2,025.86 : x
  2. Step 2: Convert to fraction form
    8,265.90/12,398.64 = 2,025.86/x
  3. Step 3: Cross multiply
    8,265.90x = 12,398.64 × 2,025.86
  4. Step 4: Simplify right side
    8,265.90x = 25,117,846.84
  5. Step 5: Solve for x
    x = 25,117,846.84/8,265.90
  6. Step 6: Final answer
    x = 3,038.73

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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.