Home / 6,802.87-9,388.45-3,778.15

Finding the Fourth Proportional to 6,802.87, 9,388.45 and 3,778.15

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Solution

The fourth proportional to 6,802.87, 9,388.45 and 3,778.15 is: 5,214.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,802.87 : 9,388.45 = 3,778.15 : x
  2. Step 2: Convert to fraction form
    6,802.87/9,388.45 = 3,778.15/x
  3. Step 3: Cross multiply
    6,802.87x = 9,388.45 × 3,778.15
  4. Step 4: Simplify right side
    6,802.87x = 35,470,972.37
  5. Step 5: Solve for x
    x = 35,470,972.37/6,802.87
  6. Step 6: Final answer
    x = 5,214.12

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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.