Home / 6,739.45-10,109.70-1,809.04

Finding the Fourth Proportional to 6,739.45, 10,109.70 and 1,809.04

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Solution

The fourth proportional to 6,739.45, 10,109.70 and 1,809.04 is: 2,713.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.45 : 10,109.70 = 1,809.04 : x
  2. Step 2: Convert to fraction form
    6,739.45/10,109.70 = 1,809.04/x
  3. Step 3: Cross multiply
    6,739.45x = 10,109.70 × 1,809.04
  4. Step 4: Simplify right side
    6,739.45x = 18,288,851.69
  5. Step 5: Solve for x
    x = 18,288,851.69/6,739.45
  6. Step 6: Final answer
    x = 2,713.70

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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.