Home / 4,287.24-5,918.16-3,108.07

Finding the Fourth Proportional to 4,287.24, 5,918.16 and 3,108.07

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Solution

The fourth proportional to 4,287.24, 5,918.16 and 3,108.07 is: 4,290.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.24 : 5,918.16 = 3,108.07 : x
  2. Step 2: Convert to fraction form
    4,287.24/5,918.16 = 3,108.07/x
  3. Step 3: Cross multiply
    4,287.24x = 5,918.16 × 3,108.07
  4. Step 4: Simplify right side
    4,287.24x = 18,394,055.55
  5. Step 5: Solve for x
    x = 18,394,055.55/4,287.24
  6. Step 6: Final answer
    x = 4,290.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.