Home / 7,826.02-11,739.06-1,982.62

Finding the Fourth Proportional to 7,826.02, 11,739.06 and 1,982.62

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Solution

The fourth proportional to 7,826.02, 11,739.06 and 1,982.62 is: 2,973.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.02 : 11,739.06 = 1,982.62 : x
  2. Step 2: Convert to fraction form
    7,826.02/11,739.06 = 1,982.62/x
  3. Step 3: Cross multiply
    7,826.02x = 11,739.06 × 1,982.62
  4. Step 4: Simplify right side
    7,826.02x = 23,274,095.14
  5. Step 5: Solve for x
    x = 23,274,095.14/7,826.02
  6. Step 6: Final answer
    x = 2,973.94

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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.