Home / 6,129.80-9,189.54-2,664.44

Finding the Fourth Proportional to 6,129.80, 9,189.54 and 2,664.44

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Solution

The fourth proportional to 6,129.80, 9,189.54 and 2,664.44 is: 3,994.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.80 : 9,189.54 = 2,664.44 : x
  2. Step 2: Convert to fraction form
    6,129.80/9,189.54 = 2,664.44/x
  3. Step 3: Cross multiply
    6,129.80x = 9,189.54 × 2,664.44
  4. Step 4: Simplify right side
    6,129.80x = 24,484,977.96
  5. Step 5: Solve for x
    x = 24,484,977.96/6,129.80
  6. Step 6: Final answer
    x = 3,994.42

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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.