Home / 4,817.89-6,648.37-2,721.61

Finding the Fourth Proportional to 4,817.89, 6,648.37 and 2,721.61

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Solution

The fourth proportional to 4,817.89, 6,648.37 and 2,721.61 is: 3,755.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.89 : 6,648.37 = 2,721.61 : x
  2. Step 2: Convert to fraction form
    4,817.89/6,648.37 = 2,721.61/x
  3. Step 3: Cross multiply
    4,817.89x = 6,648.37 × 2,721.61
  4. Step 4: Simplify right side
    4,817.89x = 18,094,270.28
  5. Step 5: Solve for x
    x = 18,094,270.28/4,817.89
  6. Step 6: Final answer
    x = 3,755.64

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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.