Home / 8,265.72-12,397.98-2,719

Finding the Fourth Proportional to 8,265.72, 12,397.98 and 2,719

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Solution

The fourth proportional to 8,265.72, 12,397.98 and 2,719 is: 4,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.72 : 12,397.98 = 2,719 : x
  2. Step 2: Convert to fraction form
    8,265.72/12,397.98 = 2,719/x
  3. Step 3: Cross multiply
    8,265.72x = 12,397.98 × 2,719
  4. Step 4: Simplify right side
    8,265.72x = 33,710,107.62
  5. Step 5: Solve for x
    x = 33,710,107.62/8,265.72
  6. Step 6: Final answer
    x = 4,078.30

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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.