Home / 6,917.13-10,378.71-3,629.43

Finding the Fourth Proportional to 6,917.13, 10,378.71 and 3,629.43

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Solution

The fourth proportional to 6,917.13, 10,378.71 and 3,629.43 is: 5,445.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.13 : 10,378.71 = 3,629.43 : x
  2. Step 2: Convert to fraction form
    6,917.13/10,378.71 = 3,629.43/x
  3. Step 3: Cross multiply
    6,917.13x = 10,378.71 × 3,629.43
  4. Step 4: Simplify right side
    6,917.13x = 37,668,801.44
  5. Step 5: Solve for x
    x = 37,668,801.44/6,917.13
  6. Step 6: Final answer
    x = 5,445.73

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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.