Home / 4,879.69-6,734.93-3,815.35

Finding the Fourth Proportional to 4,879.69, 6,734.93 and 3,815.35

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Solution

The fourth proportional to 4,879.69, 6,734.93 and 3,815.35 is: 5,265.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.69 : 6,734.93 = 3,815.35 : x
  2. Step 2: Convert to fraction form
    4,879.69/6,734.93 = 3,815.35/x
  3. Step 3: Cross multiply
    4,879.69x = 6,734.93 × 3,815.35
  4. Step 4: Simplify right side
    4,879.69x = 25,696,138.61
  5. Step 5: Solve for x
    x = 25,696,138.61/4,879.69
  6. Step 6: Final answer
    x = 5,265.93

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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.