Home / 6,005.21-9,007.81-2,108.70

Finding the Fourth Proportional to 6,005.21, 9,007.81 and 2,108.70

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Solution

The fourth proportional to 6,005.21, 9,007.81 and 2,108.70 is: 3,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,005.21 : 9,007.81 = 2,108.70 : x
  2. Step 2: Convert to fraction form
    6,005.21/9,007.81 = 2,108.70/x
  3. Step 3: Cross multiply
    6,005.21x = 9,007.81 × 2,108.70
  4. Step 4: Simplify right side
    6,005.21x = 18,994,763.68
  5. Step 5: Solve for x
    x = 18,994,763.68/6,005.21
  6. Step 6: Final answer
    x = 3,163.05

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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.