Home / 6,799.06-10,199.52-2,119.40

Finding the Fourth Proportional to 6,799.06, 10,199.52 and 2,119.40

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Solution

The fourth proportional to 6,799.06, 10,199.52 and 2,119.40 is: 3,179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,799.06 : 10,199.52 = 2,119.40 : x
  2. Step 2: Convert to fraction form
    6,799.06/10,199.52 = 2,119.40/x
  3. Step 3: Cross multiply
    6,799.06x = 10,199.52 × 2,119.40
  4. Step 4: Simplify right side
    6,799.06x = 21,616,862.69
  5. Step 5: Solve for x
    x = 21,616,862.69/6,799.06
  6. Step 6: Final answer
    x = 3,179.39

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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.