Home / 4,199.67-6,296.14-2,720.40

Finding the Fourth Proportional to 4,199.67, 6,296.14 and 2,720.40

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Solution

The fourth proportional to 4,199.67, 6,296.14 and 2,720.40 is: 4,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.67 : 6,296.14 = 2,720.40 : x
  2. Step 2: Convert to fraction form
    4,199.67/6,296.14 = 2,720.40/x
  3. Step 3: Cross multiply
    4,199.67x = 6,296.14 × 2,720.40
  4. Step 4: Simplify right side
    4,199.67x = 17,128,019.26
  5. Step 5: Solve for x
    x = 17,128,019.26/4,199.67
  6. Step 6: Final answer
    x = 4,078.42

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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.