Home / 4,271.73-6,405.67-1,805.28

Finding the Fourth Proportional to 4,271.73, 6,405.67 and 1,805.28

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Solution

The fourth proportional to 4,271.73, 6,405.67 and 1,805.28 is: 2,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.73 : 6,405.67 = 1,805.28 : x
  2. Step 2: Convert to fraction form
    4,271.73/6,405.67 = 1,805.28/x
  3. Step 3: Cross multiply
    4,271.73x = 6,405.67 × 1,805.28
  4. Step 4: Simplify right side
    4,271.73x = 11,563,986.88
  5. Step 5: Solve for x
    x = 11,563,986.88/4,271.73
  6. Step 6: Final answer
    x = 2,707.10

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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.