Home / 4,826.88-6,660.81-3,151.44

Finding the Fourth Proportional to 4,826.88, 6,660.81 and 3,151.44

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Solution

The fourth proportional to 4,826.88, 6,660.81 and 3,151.44 is: 4,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,826.88 : 6,660.81 = 3,151.44 : x
  2. Step 2: Convert to fraction form
    4,826.88/6,660.81 = 3,151.44/x
  3. Step 3: Cross multiply
    4,826.88x = 6,660.81 × 3,151.44
  4. Step 4: Simplify right side
    4,826.88x = 20,991,143.07
  5. Step 5: Solve for x
    x = 20,991,143.07/4,826.88
  6. Step 6: Final answer
    x = 4,348.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.