Home / 7,826.17-11,739.23-1,982.76

Finding the Fourth Proportional to 7,826.17, 11,739.23 and 1,982.76

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Solution

The fourth proportional to 7,826.17, 11,739.23 and 1,982.76 is: 2,974.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.17 : 11,739.23 = 1,982.76 : x
  2. Step 2: Convert to fraction form
    7,826.17/11,739.23 = 1,982.76/x
  3. Step 3: Cross multiply
    7,826.17x = 11,739.23 × 1,982.76
  4. Step 4: Simplify right side
    7,826.17x = 23,276,080.63
  5. Step 5: Solve for x
    x = 23,276,080.63/7,826.17
  6. Step 6: Final answer
    x = 2,974.14

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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.