Home / 4,810.66-6,638.76-2,821.27

Finding the Fourth Proportional to 4,810.66, 6,638.76 and 2,821.27

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Solution

The fourth proportional to 4,810.66, 6,638.76 and 2,821.27 is: 3,893.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.66 : 6,638.76 = 2,821.27 : x
  2. Step 2: Convert to fraction form
    4,810.66/6,638.76 = 2,821.27/x
  3. Step 3: Cross multiply
    4,810.66x = 6,638.76 × 2,821.27
  4. Step 4: Simplify right side
    4,810.66x = 18,729,734.43
  5. Step 5: Solve for x
    x = 18,729,734.43/4,810.66
  6. Step 6: Final answer
    x = 3,893.38

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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.