Home / 8,201.43-11,319.83-5,214.93

Finding the Fourth Proportional to 8,201.43, 11,319.83 and 5,214.93

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Solution

The fourth proportional to 8,201.43, 11,319.83 and 5,214.93 is: 7,197.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201.43 : 11,319.83 = 5,214.93 : x
  2. Step 2: Convert to fraction form
    8,201.43/11,319.83 = 5,214.93/x
  3. Step 3: Cross multiply
    8,201.43x = 11,319.83 × 5,214.93
  4. Step 4: Simplify right side
    8,201.43x = 59,032,094.99
  5. Step 5: Solve for x
    x = 59,032,094.99/8,201.43
  6. Step 6: Final answer
    x = 7,197.78

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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.