Home / 6,738.30-10,106.61-1,808.22

Finding the Fourth Proportional to 6,738.30, 10,106.61 and 1,808.22

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Solution

The fourth proportional to 6,738.30, 10,106.61 and 1,808.22 is: 2,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,738.30 : 10,106.61 = 1,808.22 : x
  2. Step 2: Convert to fraction form
    6,738.30/10,106.61 = 1,808.22/x
  3. Step 3: Cross multiply
    6,738.30x = 10,106.61 × 1,808.22
  4. Step 4: Simplify right side
    6,738.30x = 18,274,974.33
  5. Step 5: Solve for x
    x = 18,274,974.33/6,738.30
  6. Step 6: Final answer
    x = 2,712.10

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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.