Home / 6,799.36-10,199.64-2,119.41

Finding the Fourth Proportional to 6,799.36, 10,199.64 and 2,119.41

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Solution

The fourth proportional to 6,799.36, 10,199.64 and 2,119.41 is: 3,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,799.36 : 10,199.64 = 2,119.41 : x
  2. Step 2: Convert to fraction form
    6,799.36/10,199.64 = 2,119.41/x
  3. Step 3: Cross multiply
    6,799.36x = 10,199.64 × 2,119.41
  4. Step 4: Simplify right side
    6,799.36x = 21,617,188.71
  5. Step 5: Solve for x
    x = 21,617,188.71/6,799.36
  6. Step 6: Final answer
    x = 3,179.30

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1.5x scale

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.