Home / 4,920.20-6,789.67-2,682.02

Finding the Fourth Proportional to 4,920.20, 6,789.67 and 2,682.02

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Solution

The fourth proportional to 4,920.20, 6,789.67 and 2,682.02 is: 3,701.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.20 : 6,789.67 = 2,682.02 : x
  2. Step 2: Convert to fraction form
    4,920.20/6,789.67 = 2,682.02/x
  3. Step 3: Cross multiply
    4,920.20x = 6,789.67 × 2,682.02
  4. Step 4: Simplify right side
    4,920.20x = 18,210,030.73
  5. Step 5: Solve for x
    x = 18,210,030.73/4,920.20
  6. Step 6: Final answer
    x = 3,701.08

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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.