Home / 7,118.69-10,694.43-4,199.04

Finding the Fourth Proportional to 7,118.69, 10,694.43 and 4,199.04

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Solution

The fourth proportional to 7,118.69, 10,694.43 and 4,199.04 is: 6,308.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.69 : 10,694.43 = 4,199.04 : x
  2. Step 2: Convert to fraction form
    7,118.69/10,694.43 = 4,199.04/x
  3. Step 3: Cross multiply
    7,118.69x = 10,694.43 × 4,199.04
  4. Step 4: Simplify right side
    7,118.69x = 44,906,339.35
  5. Step 5: Solve for x
    x = 44,906,339.35/7,118.69
  6. Step 6: Final answer
    x = 6,308.24

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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.