Home / 8,291.36-12,433.86-2,743.76

Finding the Fourth Proportional to 8,291.36, 12,433.86 and 2,743.76

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Solution

The fourth proportional to 8,291.36, 12,433.86 and 2,743.76 is: 4,114.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.36 : 12,433.86 = 2,743.76 : x
  2. Step 2: Convert to fraction form
    8,291.36/12,433.86 = 2,743.76/x
  3. Step 3: Cross multiply
    8,291.36x = 12,433.86 × 2,743.76
  4. Step 4: Simplify right side
    8,291.36x = 34,115,527.71
  5. Step 5: Solve for x
    x = 34,115,527.71/8,291.36
  6. Step 6: Final answer
    x = 4,114.59

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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.