Home / 8,212.05-11,333.47-5,027.45

Finding the Fourth Proportional to 8,212.05, 11,333.47 and 5,027.45

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Solution

The fourth proportional to 8,212.05, 11,333.47 and 5,027.45 is: 6,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.05 : 11,333.47 = 5,027.45 : x
  2. Step 2: Convert to fraction form
    8,212.05/11,333.47 = 5,027.45/x
  3. Step 3: Cross multiply
    8,212.05x = 11,333.47 × 5,027.45
  4. Step 4: Simplify right side
    8,212.05x = 56,978,485.55
  5. Step 5: Solve for x
    x = 56,978,485.55/8,212.05
  6. Step 6: Final answer
    x = 6,938.40

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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.