Home / 6,790.40-10,179.20-2,627.84

Finding the Fourth Proportional to 6,790.40, 10,179.20 and 2,627.84

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Solution

The fourth proportional to 6,790.40, 10,179.20 and 2,627.84 is: 3,939.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.40 : 10,179.20 = 2,627.84 : x
  2. Step 2: Convert to fraction form
    6,790.40/10,179.20 = 2,627.84/x
  3. Step 3: Cross multiply
    6,790.40x = 10,179.20 × 2,627.84
  4. Step 4: Simplify right side
    6,790.40x = 26,749,308.93
  5. Step 5: Solve for x
    x = 26,749,308.93/6,790.40
  6. Step 6: Final answer
    x = 3,939.28

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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.