Home / 4,739.09-7,100.12-2,790.23

Finding the Fourth Proportional to 4,739.09, 7,100.12 and 2,790.23

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Solution

The fourth proportional to 4,739.09, 7,100.12 and 2,790.23 is: 4,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.09 : 7,100.12 = 2,790.23 : x
  2. Step 2: Convert to fraction form
    4,739.09/7,100.12 = 2,790.23/x
  3. Step 3: Cross multiply
    4,739.09x = 7,100.12 × 2,790.23
  4. Step 4: Simplify right side
    4,739.09x = 19,810,918.38
  5. Step 5: Solve for x
    x = 19,810,918.38/4,739.09
  6. Step 6: Final answer
    x = 4,180.33

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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.