Home / 4,242.82-5,853.49-3,126.43

Finding the Fourth Proportional to 4,242.82, 5,853.49 and 3,126.43

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Solution

The fourth proportional to 4,242.82, 5,853.49 and 3,126.43 is: 4,313.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.82 : 5,853.49 = 3,126.43 : x
  2. Step 2: Convert to fraction form
    4,242.82/5,853.49 = 3,126.43/x
  3. Step 3: Cross multiply
    4,242.82x = 5,853.49 × 3,126.43
  4. Step 4: Simplify right side
    4,242.82x = 18,300,526.74
  5. Step 5: Solve for x
    x = 18,300,526.74/4,242.82
  6. Step 6: Final answer
    x = 4,313.29

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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.