Home / 7,976.48-11,954.19-6,120.50

Finding the Fourth Proportional to 7,976.48, 11,954.19 and 6,120.50

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Solution

The fourth proportional to 7,976.48, 11,954.19 and 6,120.50 is: 9,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.48 : 11,954.19 = 6,120.50 : x
  2. Step 2: Convert to fraction form
    7,976.48/11,954.19 = 6,120.50/x
  3. Step 3: Cross multiply
    7,976.48x = 11,954.19 × 6,120.50
  4. Step 4: Simplify right side
    7,976.48x = 73,165,619.90
  5. Step 5: Solve for x
    x = 73,165,619.90/7,976.48
  6. Step 6: Final answer
    x = 9,172.67

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1.5x scale

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.