Home / 6,739.07-10,108.60-1,809.20

Finding the Fourth Proportional to 6,739.07, 10,108.60 and 1,809.20

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Solution

The fourth proportional to 6,739.07, 10,108.60 and 1,809.20 is: 2,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.07 : 10,108.60 = 1,809.20 : x
  2. Step 2: Convert to fraction form
    6,739.07/10,108.60 = 1,809.20/x
  3. Step 3: Cross multiply
    6,739.07x = 10,108.60 × 1,809.20
  4. Step 4: Simplify right side
    6,739.07x = 18,288,499.87
  5. Step 5: Solve for x
    x = 18,288,499.87/6,739.07
  6. Step 6: Final answer
    x = 2,713.80

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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.