Home / 6,786.20-9,364.90-3,802.06

Finding the Fourth Proportional to 6,786.20, 9,364.90 and 3,802.06

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Solution

The fourth proportional to 6,786.20, 9,364.90 and 3,802.06 is: 5,246.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.20 : 9,364.90 = 3,802.06 : x
  2. Step 2: Convert to fraction form
    6,786.20/9,364.90 = 3,802.06/x
  3. Step 3: Cross multiply
    6,786.20x = 9,364.90 × 3,802.06
  4. Step 4: Simplify right side
    6,786.20x = 35,605,911.69
  5. Step 5: Solve for x
    x = 35,605,911.69/6,786.20
  6. Step 6: Final answer
    x = 5,246.81

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1.5x scale

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.