Home / 8,212.78-11,334.09-4,675.92

Finding the Fourth Proportional to 8,212.78, 11,334.09 and 4,675.92

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Solution

The fourth proportional to 8,212.78, 11,334.09 and 4,675.92 is: 6,453.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.78 : 11,334.09 = 4,675.92 : x
  2. Step 2: Convert to fraction form
    8,212.78/11,334.09 = 4,675.92/x
  3. Step 3: Cross multiply
    8,212.78x = 11,334.09 × 4,675.92
  4. Step 4: Simplify right side
    8,212.78x = 52,997,298.11
  5. Step 5: Solve for x
    x = 52,997,298.11/8,212.78
  6. Step 6: Final answer
    x = 6,453.03

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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.