Home / 8,246.72-12,371.20-2,403.28

Finding the Fourth Proportional to 8,246.72, 12,371.20 and 2,403.28

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Solution

The fourth proportional to 8,246.72, 12,371.20 and 2,403.28 is: 3,605.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.72 : 12,371.20 = 2,403.28 : x
  2. Step 2: Convert to fraction form
    8,246.72/12,371.20 = 2,403.28/x
  3. Step 3: Cross multiply
    8,246.72x = 12,371.20 × 2,403.28
  4. Step 4: Simplify right side
    8,246.72x = 29,731,466.99
  5. Step 5: Solve for x
    x = 29,731,466.99/8,246.72
  6. Step 6: Final answer
    x = 3,605.25

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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.