Home / 7,826.08-11,739.55-1,982.74

Finding the Fourth Proportional to 7,826.08, 11,739.55 and 1,982.74

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Solution

The fourth proportional to 7,826.08, 11,739.55 and 1,982.74 is: 2,974.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.08 : 11,739.55 = 1,982.74 : x
  2. Step 2: Convert to fraction form
    7,826.08/11,739.55 = 1,982.74/x
  3. Step 3: Cross multiply
    7,826.08x = 11,739.55 × 1,982.74
  4. Step 4: Simplify right side
    7,826.08x = 23,276,475.37
  5. Step 5: Solve for x
    x = 23,276,475.37/7,826.08
  6. Step 6: Final answer
    x = 2,974.22

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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.