Home / 4,817.30-6,647.33-2,721.42

Finding the Fourth Proportional to 4,817.30, 6,647.33 and 2,721.42

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Solution

The fourth proportional to 4,817.30, 6,647.33 and 2,721.42 is: 3,755.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.30 : 6,647.33 = 2,721.42 : x
  2. Step 2: Convert to fraction form
    4,817.30/6,647.33 = 2,721.42/x
  3. Step 3: Cross multiply
    4,817.30x = 6,647.33 × 2,721.42
  4. Step 4: Simplify right side
    4,817.30x = 18,090,183.61
  5. Step 5: Solve for x
    x = 18,090,183.61/4,817.30
  6. Step 6: Final answer
    x = 3,755.26

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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.