Home / 8,724.70-13,085.22-2,879.94

Finding the Fourth Proportional to 8,724.70, 13,085.22 and 2,879.94

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Solution

The fourth proportional to 8,724.70, 13,085.22 and 2,879.94 is: 4,319.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.70 : 13,085.22 = 2,879.94 : x
  2. Step 2: Convert to fraction form
    8,724.70/13,085.22 = 2,879.94/x
  3. Step 3: Cross multiply
    8,724.70x = 13,085.22 × 2,879.94
  4. Step 4: Simplify right side
    8,724.70x = 37,684,648.49
  5. Step 5: Solve for x
    x = 37,684,648.49/8,724.70
  6. Step 6: Final answer
    x = 4,319.31

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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.