Home / 6,800.20-9,384.28-3,816.32

Finding the Fourth Proportional to 6,800.20, 9,384.28 and 3,816.32

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Solution

The fourth proportional to 6,800.20, 9,384.28 and 3,816.32 is: 5,266.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800.20 : 9,384.28 = 3,816.32 : x
  2. Step 2: Convert to fraction form
    6,800.20/9,384.28 = 3,816.32/x
  3. Step 3: Cross multiply
    6,800.20x = 9,384.28 × 3,816.32
  4. Step 4: Simplify right side
    6,800.20x = 35,813,369.72
  5. Step 5: Solve for x
    x = 35,813,369.72/6,800.20
  6. Step 6: Final answer
    x = 5,266.51

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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.