Home / 6,479.36-9,720.44-2,096.75

Finding the Fourth Proportional to 6,479.36, 9,720.44 and 2,096.75

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Solution

The fourth proportional to 6,479.36, 9,720.44 and 2,096.75 is: 3,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479.36 : 9,720.44 = 2,096.75 : x
  2. Step 2: Convert to fraction form
    6,479.36/9,720.44 = 2,096.75/x
  3. Step 3: Cross multiply
    6,479.36x = 9,720.44 × 2,096.75
  4. Step 4: Simplify right side
    6,479.36x = 20,381,273.48
  5. Step 5: Solve for x
    x = 20,381,273.48/6,479.36
  6. Step 6: Final answer
    x = 3,145.57

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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.