Home / 6,879.21-9,493.29-3,735.39

Finding the Fourth Proportional to 6,879.21, 9,493.29 and 3,735.39

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Solution

The fourth proportional to 6,879.21, 9,493.29 and 3,735.39 is: 5,154.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.21 : 9,493.29 = 3,735.39 : x
  2. Step 2: Convert to fraction form
    6,879.21/9,493.29 = 3,735.39/x
  3. Step 3: Cross multiply
    6,879.21x = 9,493.29 × 3,735.39
  4. Step 4: Simplify right side
    6,879.21x = 35,461,140.53
  5. Step 5: Solve for x
    x = 35,461,140.53/6,879.21
  6. Step 6: Final answer
    x = 5,154.83

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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.