Home / 7,826.02-11,739.06-1,983.10

Finding the Fourth Proportional to 7,826.02, 11,739.06 and 1,983.10

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Solution

The fourth proportional to 7,826.02, 11,739.06 and 1,983.10 is: 2,974.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.02 : 11,739.06 = 1,983.10 : x
  2. Step 2: Convert to fraction form
    7,826.02/11,739.06 = 1,983.10/x
  3. Step 3: Cross multiply
    7,826.02x = 11,739.06 × 1,983.10
  4. Step 4: Simplify right side
    7,826.02x = 23,279,729.89
  5. Step 5: Solve for x
    x = 23,279,729.89/7,826.02
  6. Step 6: Final answer
    x = 2,974.66

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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.