Home / 8,222.08-11,343.69-4,682.78

Finding the Fourth Proportional to 8,222.08, 11,343.69 and 4,682.78

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Solution

The fourth proportional to 8,222.08, 11,343.69 and 4,682.78 is: 6,460.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.08 : 11,343.69 = 4,682.78 : x
  2. Step 2: Convert to fraction form
    8,222.08/11,343.69 = 4,682.78/x
  3. Step 3: Cross multiply
    8,222.08x = 11,343.69 × 4,682.78
  4. Step 4: Simplify right side
    8,222.08x = 53,120,004.66
  5. Step 5: Solve for x
    x = 53,120,004.66/8,222.08
  6. Step 6: Final answer
    x = 6,460.66

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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.