Home / 6,464.75-9,696.85-1,847.75

Finding the Fourth Proportional to 6,464.75, 9,696.85 and 1,847.75

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Solution

The fourth proportional to 6,464.75, 9,696.85 and 1,847.75 is: 2,771.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464.75 : 9,696.85 = 1,847.75 : x
  2. Step 2: Convert to fraction form
    6,464.75/9,696.85 = 1,847.75/x
  3. Step 3: Cross multiply
    6,464.75x = 9,696.85 × 1,847.75
  4. Step 4: Simplify right side
    6,464.75x = 17,917,301.48
  5. Step 5: Solve for x
    x = 17,917,301.48/6,464.75
  6. Step 6: Final answer
    x = 2,771.54

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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.