Home / 4,816.38-6,647.04-2,720.46

Finding the Fourth Proportional to 4,816.38, 6,647.04 and 2,720.46

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Solution

The fourth proportional to 4,816.38, 6,647.04 and 2,720.46 is: 3,754.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.38 : 6,647.04 = 2,720.46 : x
  2. Step 2: Convert to fraction form
    4,816.38/6,647.04 = 2,720.46/x
  3. Step 3: Cross multiply
    4,816.38x = 6,647.04 × 2,720.46
  4. Step 4: Simplify right side
    4,816.38x = 18,083,006.44
  5. Step 5: Solve for x
    x = 18,083,006.44/4,816.38
  6. Step 6: Final answer
    x = 3,754.48

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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.