Home / 6,939.96-10,409.66-1,745.88

Finding the Fourth Proportional to 6,939.96, 10,409.66 and 1,745.88

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Solution

The fourth proportional to 6,939.96, 10,409.66 and 1,745.88 is: 2,618.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.96 : 10,409.66 = 1,745.88 : x
  2. Step 2: Convert to fraction form
    6,939.96/10,409.66 = 1,745.88/x
  3. Step 3: Cross multiply
    6,939.96x = 10,409.66 × 1,745.88
  4. Step 4: Simplify right side
    6,939.96x = 18,174,017.20
  5. Step 5: Solve for x
    x = 18,174,017.20/6,939.96
  6. Step 6: Final answer
    x = 2,618.75

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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.