Home / 8,938.86-13,409.91-2,698.62

Finding the Fourth Proportional to 8,938.86, 13,409.91 and 2,698.62

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Solution

The fourth proportional to 8,938.86, 13,409.91 and 2,698.62 is: 4,048.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.86 : 13,409.91 = 2,698.62 : x
  2. Step 2: Convert to fraction form
    8,938.86/13,409.91 = 2,698.62/x
  3. Step 3: Cross multiply
    8,938.86x = 13,409.91 × 2,698.62
  4. Step 4: Simplify right side
    8,938.86x = 36,188,251.32
  5. Step 5: Solve for x
    x = 36,188,251.32/8,938.86
  6. Step 6: Final answer
    x = 4,048.42

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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.