Home / 7,274.19-10,911.29-2,080.06

Finding the Fourth Proportional to 7,274.19, 10,911.29 and 2,080.06

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Solution

The fourth proportional to 7,274.19, 10,911.29 and 2,080.06 is: 3,120.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.19 : 10,911.29 = 2,080.06 : x
  2. Step 2: Convert to fraction form
    7,274.19/10,911.29 = 2,080.06/x
  3. Step 3: Cross multiply
    7,274.19x = 10,911.29 × 2,080.06
  4. Step 4: Simplify right side
    7,274.19x = 22,696,137.88
  5. Step 5: Solve for x
    x = 22,696,137.88/7,274.19
  6. Step 6: Final answer
    x = 3,120.09

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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.