Home / 6,309.04-8,705.26-3,949.81

Finding the Fourth Proportional to 6,309.04, 8,705.26 and 3,949.81

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Solution

The fourth proportional to 6,309.04, 8,705.26 and 3,949.81 is: 5,449.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,309.04 : 8,705.26 = 3,949.81 : x
  2. Step 2: Convert to fraction form
    6,309.04/8,705.26 = 3,949.81/x
  3. Step 3: Cross multiply
    6,309.04x = 8,705.26 × 3,949.81
  4. Step 4: Simplify right side
    6,309.04x = 34,384,132.92
  5. Step 5: Solve for x
    x = 34,384,132.92/6,309.04
  6. Step 6: Final answer
    x = 5,449.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.