Home / 8,175.78-12,263.46-4,866.72

Finding the Fourth Proportional to 8,175.78, 12,263.46 and 4,866.72

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Solution

The fourth proportional to 8,175.78, 12,263.46 and 4,866.72 is: 7,299.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.78 : 12,263.46 = 4,866.72 : x
  2. Step 2: Convert to fraction form
    8,175.78/12,263.46 = 4,866.72/x
  3. Step 3: Cross multiply
    8,175.78x = 12,263.46 × 4,866.72
  4. Step 4: Simplify right side
    8,175.78x = 59,682,826.05
  5. Step 5: Solve for x
    x = 59,682,826.05/8,175.78
  6. Step 6: Final answer
    x = 7,299.95

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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.