Home / 8,346.11-12,520.98-2,798.42

Finding the Fourth Proportional to 8,346.11, 12,520.98 and 2,798.42

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Solution

The fourth proportional to 8,346.11, 12,520.98 and 2,798.42 is: 4,198.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.11 : 12,520.98 = 2,798.42 : x
  2. Step 2: Convert to fraction form
    8,346.11/12,520.98 = 2,798.42/x
  3. Step 3: Cross multiply
    8,346.11x = 12,520.98 × 2,798.42
  4. Step 4: Simplify right side
    8,346.11x = 35,038,898.25
  5. Step 5: Solve for x
    x = 35,038,898.25/8,346.11
  6. Step 6: Final answer
    x = 4,198.23

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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.