Home / 4,879.57-7,319.66-1,957.50

Finding the Fourth Proportional to 4,879.57, 7,319.66 and 1,957.50

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Solution

The fourth proportional to 4,879.57, 7,319.66 and 1,957.50 is: 2,936.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.57 : 7,319.66 = 1,957.50 : x
  2. Step 2: Convert to fraction form
    4,879.57/7,319.66 = 1,957.50/x
  3. Step 3: Cross multiply
    4,879.57x = 7,319.66 × 1,957.50
  4. Step 4: Simplify right side
    4,879.57x = 14,328,234.45
  5. Step 5: Solve for x
    x = 14,328,234.45/4,879.57
  6. Step 6: Final answer
    x = 2,936.37

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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.