Home / 7,826.06-11,739.10-1,982.67

Finding the Fourth Proportional to 7,826.06, 11,739.10 and 1,982.67

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Solution

The fourth proportional to 7,826.06, 11,739.10 and 1,982.67 is: 2,974.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.06 : 11,739.10 = 1,982.67 : x
  2. Step 2: Convert to fraction form
    7,826.06/11,739.10 = 1,982.67/x
  3. Step 3: Cross multiply
    7,826.06x = 11,739.10 × 1,982.67
  4. Step 4: Simplify right side
    7,826.06x = 23,274,761.40
  5. Step 5: Solve for x
    x = 23,274,761.40/7,826.06
  6. Step 6: Final answer
    x = 2,974.01

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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.