Home / 4,817.15-6,647.99-2,721.41

Finding the Fourth Proportional to 4,817.15, 6,647.99 and 2,721.41

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Solution

The fourth proportional to 4,817.15, 6,647.99 and 2,721.41 is: 3,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.15 : 6,647.99 = 2,721.41 : x
  2. Step 2: Convert to fraction form
    4,817.15/6,647.99 = 2,721.41/x
  3. Step 3: Cross multiply
    4,817.15x = 6,647.99 × 2,721.41
  4. Step 4: Simplify right side
    4,817.15x = 18,091,859.62
  5. Step 5: Solve for x
    x = 18,091,859.62/4,817.15
  6. Step 6: Final answer
    x = 3,755.72

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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.