Home / 4,791.72-7,189.32-2,019.08

Finding the Fourth Proportional to 4,791.72, 7,189.32 and 2,019.08

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Solution

The fourth proportional to 4,791.72, 7,189.32 and 2,019.08 is: 3,029.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.72 : 7,189.32 = 2,019.08 : x
  2. Step 2: Convert to fraction form
    4,791.72/7,189.32 = 2,019.08/x
  3. Step 3: Cross multiply
    4,791.72x = 7,189.32 × 2,019.08
  4. Step 4: Simplify right side
    4,791.72x = 14,515,812.23
  5. Step 5: Solve for x
    x = 14,515,812.23/4,791.72
  6. Step 6: Final answer
    x = 3,029.35

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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.