Home / 4,590.38-6,880.82-1,815.92

Finding the Fourth Proportional to 4,590.38, 6,880.82 and 1,815.92

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Solution

The fourth proportional to 4,590.38, 6,880.82 and 1,815.92 is: 2,721.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,590.38 : 6,880.82 = 1,815.92 : x
  2. Step 2: Convert to fraction form
    4,590.38/6,880.82 = 1,815.92/x
  3. Step 3: Cross multiply
    4,590.38x = 6,880.82 × 1,815.92
  4. Step 4: Simplify right side
    4,590.38x = 12,494,975.17
  5. Step 5: Solve for x
    x = 12,494,975.17/4,590.38
  6. Step 6: Final answer
    x = 2,721.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.