Home / 4,817.34-6,647.76-2,721.42

Finding the Fourth Proportional to 4,817.34, 6,647.76 and 2,721.42

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Solution

The fourth proportional to 4,817.34, 6,647.76 and 2,721.42 is: 3,755.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.34 : 6,647.76 = 2,721.42 : x
  2. Step 2: Convert to fraction form
    4,817.34/6,647.76 = 2,721.42/x
  3. Step 3: Cross multiply
    4,817.34x = 6,647.76 × 2,721.42
  4. Step 4: Simplify right side
    4,817.34x = 18,091,347.02
  5. Step 5: Solve for x
    x = 18,091,347.02/4,817.34
  6. Step 6: Final answer
    x = 3,755.46

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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.