Home / 8,102.23-11,180.58-4,745.64

Finding the Fourth Proportional to 8,102.23, 11,180.58 and 4,745.64

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Solution

The fourth proportional to 8,102.23, 11,180.58 and 4,745.64 is: 6,548.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102.23 : 11,180.58 = 4,745.64 : x
  2. Step 2: Convert to fraction form
    8,102.23/11,180.58 = 4,745.64/x
  3. Step 3: Cross multiply
    8,102.23x = 11,180.58 × 4,745.64
  4. Step 4: Simplify right side
    8,102.23x = 53,058,995.61
  5. Step 5: Solve for x
    x = 53,058,995.61/8,102.23
  6. Step 6: Final answer
    x = 6,548.69

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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.