Home / 4,884.86-6,740.79-3,021.50

Finding the Fourth Proportional to 4,884.86, 6,740.79 and 3,021.50

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Solution

The fourth proportional to 4,884.86, 6,740.79 and 3,021.50 is: 4,169.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,884.86 : 6,740.79 = 3,021.50 : x
  2. Step 2: Convert to fraction form
    4,884.86/6,740.79 = 3,021.50/x
  3. Step 3: Cross multiply
    4,884.86x = 6,740.79 × 3,021.50
  4. Step 4: Simplify right side
    4,884.86x = 20,367,296.99
  5. Step 5: Solve for x
    x = 20,367,296.99/4,884.86
  6. Step 6: Final answer
    x = 4,169.47

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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.