Home / 4,292.38-6,426.42-2,728.50

Finding the Fourth Proportional to 4,292.38, 6,426.42 and 2,728.50

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Solution

The fourth proportional to 4,292.38, 6,426.42 and 2,728.50 is: 4,085.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292.38 : 6,426.42 = 2,728.50 : x
  2. Step 2: Convert to fraction form
    4,292.38/6,426.42 = 2,728.50/x
  3. Step 3: Cross multiply
    4,292.38x = 6,426.42 × 2,728.50
  4. Step 4: Simplify right side
    4,292.38x = 17,534,486.97
  5. Step 5: Solve for x
    x = 17,534,486.97/4,292.38
  6. Step 6: Final answer
    x = 4,085.03

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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.