Home / 8,657.99-12,976.73-3,974.06

Finding the Fourth Proportional to 8,657.99, 12,976.73 and 3,974.06

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Solution

The fourth proportional to 8,657.99, 12,976.73 and 3,974.06 is: 5,956.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,657.99 : 12,976.73 = 3,974.06 : x
  2. Step 2: Convert to fraction form
    8,657.99/12,976.73 = 3,974.06/x
  3. Step 3: Cross multiply
    8,657.99x = 12,976.73 × 3,974.06
  4. Step 4: Simplify right side
    8,657.99x = 51,570,303.62
  5. Step 5: Solve for x
    x = 51,570,303.62/8,657.99
  6. Step 6: Final answer
    x = 5,956.38

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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.