Home / 6,849.76-9,452.56-3,865.60

Finding the Fourth Proportional to 6,849.76, 9,452.56 and 3,865.60

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Solution

The fourth proportional to 6,849.76, 9,452.56 and 3,865.60 is: 5,334.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,849.76 : 9,452.56 = 3,865.60 : x
  2. Step 2: Convert to fraction form
    6,849.76/9,452.56 = 3,865.60/x
  3. Step 3: Cross multiply
    6,849.76x = 9,452.56 × 3,865.60
  4. Step 4: Simplify right side
    6,849.76x = 36,539,815.94
  5. Step 5: Solve for x
    x = 36,539,815.94/6,849.76
  6. Step 6: Final answer
    x = 5,334.47

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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.