Home / 4,920.09-6,789.83-2,682.06

Finding the Fourth Proportional to 4,920.09, 6,789.83 and 2,682.06

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Solution

The fourth proportional to 4,920.09, 6,789.83 and 2,682.06 is: 3,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.09 : 6,789.83 = 2,682.06 : x
  2. Step 2: Convert to fraction form
    4,920.09/6,789.83 = 2,682.06/x
  3. Step 3: Cross multiply
    4,920.09x = 6,789.83 × 2,682.06
  4. Step 4: Simplify right side
    4,920.09x = 18,210,731.45
  5. Step 5: Solve for x
    x = 18,210,731.45/4,920.09
  6. Step 6: Final answer
    x = 3,701.30

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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.