Home / 4,448.20-6,666.62-2,108.20

Finding the Fourth Proportional to 4,448.20, 6,666.62 and 2,108.20

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Solution

The fourth proportional to 4,448.20, 6,666.62 and 2,108.20 is: 3,159.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,448.20 : 6,666.62 = 2,108.20 : x
  2. Step 2: Convert to fraction form
    4,448.20/6,666.62 = 2,108.20/x
  3. Step 3: Cross multiply
    4,448.20x = 6,666.62 × 2,108.20
  4. Step 4: Simplify right side
    4,448.20x = 14,054,568.28
  5. Step 5: Solve for x
    x = 14,054,568.28/4,448.20
  6. Step 6: Final answer
    x = 3,159.61

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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.