Home / 6,879.53-9,493.81-3,735.72

Finding the Fourth Proportional to 6,879.53, 9,493.81 and 3,735.72

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Solution

The fourth proportional to 6,879.53, 9,493.81 and 3,735.72 is: 5,155.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.53 : 9,493.81 = 3,735.72 : x
  2. Step 2: Convert to fraction form
    6,879.53/9,493.81 = 3,735.72/x
  3. Step 3: Cross multiply
    6,879.53x = 9,493.81 × 3,735.72
  4. Step 4: Simplify right side
    6,879.53x = 35,466,206.55
  5. Step 5: Solve for x
    x = 35,466,206.55/6,879.53
  6. Step 6: Final answer
    x = 5,155.32

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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.