Home / 8,505.56-12,745.38-3,883.16

Finding the Fourth Proportional to 8,505.56, 12,745.38 and 3,883.16

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Solution

The fourth proportional to 8,505.56, 12,745.38 and 3,883.16 is: 5,818.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.56 : 12,745.38 = 3,883.16 : x
  2. Step 2: Convert to fraction form
    8,505.56/12,745.38 = 3,883.16/x
  3. Step 3: Cross multiply
    8,505.56x = 12,745.38 × 3,883.16
  4. Step 4: Simplify right side
    8,505.56x = 49,492,349.80
  5. Step 5: Solve for x
    x = 49,492,349.80/8,505.56
  6. Step 6: Final answer
    x = 5,818.82

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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.