Home / 6,895.44-9,515.37-3,911.55

Finding the Fourth Proportional to 6,895.44, 9,515.37 and 3,911.55

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Solution

The fourth proportional to 6,895.44, 9,515.37 and 3,911.55 is: 5,397.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,895.44 : 9,515.37 = 3,911.55 : x
  2. Step 2: Convert to fraction form
    6,895.44/9,515.37 = 3,911.55/x
  3. Step 3: Cross multiply
    6,895.44x = 9,515.37 × 3,911.55
  4. Step 4: Simplify right side
    6,895.44x = 37,219,845.52
  5. Step 5: Solve for x
    x = 37,219,845.52/6,895.44
  6. Step 6: Final answer
    x = 5,397.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.