Home / 8,201.24-12,291.47-5,238.54

Finding the Fourth Proportional to 8,201.24, 12,291.47 and 5,238.54

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Solution

The fourth proportional to 8,201.24, 12,291.47 and 5,238.54 is: 7,851.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201.24 : 12,291.47 = 5,238.54 : x
  2. Step 2: Convert to fraction form
    8,201.24/12,291.47 = 5,238.54/x
  3. Step 3: Cross multiply
    8,201.24x = 12,291.47 × 5,238.54
  4. Step 4: Simplify right side
    8,201.24x = 64,389,331.06
  5. Step 5: Solve for x
    x = 64,389,331.06/8,201.24
  6. Step 6: Final answer
    x = 7,851.17

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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.