Home / 4,288.24-6,443.13-2,728.93

Finding the Fourth Proportional to 4,288.24, 6,443.13 and 2,728.93

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Solution

The fourth proportional to 4,288.24, 6,443.13 and 2,728.93 is: 4,100.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.24 : 6,443.13 = 2,728.93 : x
  2. Step 2: Convert to fraction form
    4,288.24/6,443.13 = 2,728.93/x
  3. Step 3: Cross multiply
    4,288.24x = 6,443.13 × 2,728.93
  4. Step 4: Simplify right side
    4,288.24x = 17,582,850.75
  5. Step 5: Solve for x
    x = 17,582,850.75/4,288.24
  6. Step 6: Final answer
    x = 4,100.25

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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.