Home / 8,738.78-12,059.05-4,961.85

Finding the Fourth Proportional to 8,738.78, 12,059.05 and 4,961.85

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Solution

The fourth proportional to 8,738.78, 12,059.05 and 4,961.85 is: 6,847.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.78 : 12,059.05 = 4,961.85 : x
  2. Step 2: Convert to fraction form
    8,738.78/12,059.05 = 4,961.85/x
  3. Step 3: Cross multiply
    8,738.78x = 12,059.05 × 4,961.85
  4. Step 4: Simplify right side
    8,738.78x = 59,835,184.84
  5. Step 5: Solve for x
    x = 59,835,184.84/8,738.78
  6. Step 6: Final answer
    x = 6,847.09

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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.