Home / 8,485.24-12,722.75-3,804.41

Finding the Fourth Proportional to 8,485.24, 12,722.75 and 3,804.41

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Solution

The fourth proportional to 8,485.24, 12,722.75 and 3,804.41 is: 5,704.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.24 : 12,722.75 = 3,804.41 : x
  2. Step 2: Convert to fraction form
    8,485.24/12,722.75 = 3,804.41/x
  3. Step 3: Cross multiply
    8,485.24x = 12,722.75 × 3,804.41
  4. Step 4: Simplify right side
    8,485.24x = 48,402,557.33
  5. Step 5: Solve for x
    x = 48,402,557.33/8,485.24
  6. Step 6: Final answer
    x = 5,704.32

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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.