Home / 8,222.37-12,336.65-4,937.82

Finding the Fourth Proportional to 8,222.37, 12,336.65 and 4,937.82

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Solution

The fourth proportional to 8,222.37, 12,336.65 and 4,937.82 is: 7,408.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.37 : 12,336.65 = 4,937.82 : x
  2. Step 2: Convert to fraction form
    8,222.37/12,336.65 = 4,937.82/x
  3. Step 3: Cross multiply
    8,222.37x = 12,336.65 × 4,937.82
  4. Step 4: Simplify right side
    8,222.37x = 60,916,163.26
  5. Step 5: Solve for x
    x = 60,916,163.26/8,222.37
  6. Step 6: Final answer
    x = 7,408.59

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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.