Home / 8,317.06-12,474.16-2,769.78

Finding the Fourth Proportional to 8,317.06, 12,474.16 and 2,769.78

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Solution

The fourth proportional to 8,317.06, 12,474.16 and 2,769.78 is: 4,154.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.06 : 12,474.16 = 2,769.78 : x
  2. Step 2: Convert to fraction form
    8,317.06/12,474.16 = 2,769.78/x
  3. Step 3: Cross multiply
    8,317.06x = 12,474.16 × 2,769.78
  4. Step 4: Simplify right side
    8,317.06x = 34,550,678.88
  5. Step 5: Solve for x
    x = 34,550,678.88/8,317.06
  6. Step 6: Final answer
    x = 4,154.19

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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.