Home / 8,266.06-12,399.87-2,719.45

Finding the Fourth Proportional to 8,266.06, 12,399.87 and 2,719.45

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Solution

The fourth proportional to 8,266.06, 12,399.87 and 2,719.45 is: 4,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.06 : 12,399.87 = 2,719.45 : x
  2. Step 2: Convert to fraction form
    8,266.06/12,399.87 = 2,719.45/x
  3. Step 3: Cross multiply
    8,266.06x = 12,399.87 × 2,719.45
  4. Step 4: Simplify right side
    8,266.06x = 33,720,826.47
  5. Step 5: Solve for x
    x = 33,720,826.47/8,266.06
  6. Step 6: Final answer
    x = 4,079.43

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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.