Home / 6,137.96-9,212.28-3,218.32

Finding the Fourth Proportional to 6,137.96, 9,212.28 and 3,218.32

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Solution

The fourth proportional to 6,137.96, 9,212.28 and 3,218.32 is: 4,830.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,137.96 : 9,212.28 = 3,218.32 : x
  2. Step 2: Convert to fraction form
    6,137.96/9,212.28 = 3,218.32/x
  3. Step 3: Cross multiply
    6,137.96x = 9,212.28 × 3,218.32
  4. Step 4: Simplify right side
    6,137.96x = 29,648,064.97
  5. Step 5: Solve for x
    x = 29,648,064.97/6,137.96
  6. Step 6: Final answer
    x = 4,830.28

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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.