Home / 8,669.10-13,004.25-4,285.38

Finding the Fourth Proportional to 8,669.10, 13,004.25 and 4,285.38

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Solution

The fourth proportional to 8,669.10, 13,004.25 and 4,285.38 is: 6,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.10 : 13,004.25 = 4,285.38 : x
  2. Step 2: Convert to fraction form
    8,669.10/13,004.25 = 4,285.38/x
  3. Step 3: Cross multiply
    8,669.10x = 13,004.25 × 4,285.38
  4. Step 4: Simplify right side
    8,669.10x = 55,728,152.87
  5. Step 5: Solve for x
    x = 55,728,152.87/8,669.10
  6. Step 6: Final answer
    x = 6,428.37

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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.