Home / 8,485.09-12,722.99-2,937.96

Finding the Fourth Proportional to 8,485.09, 12,722.99 and 2,937.96

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Solution

The fourth proportional to 8,485.09, 12,722.99 and 2,937.96 is: 4,405.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.09 : 12,722.99 = 2,937.96 : x
  2. Step 2: Convert to fraction form
    8,485.09/12,722.99 = 2,937.96/x
  3. Step 3: Cross multiply
    8,485.09x = 12,722.99 × 2,937.96
  4. Step 4: Simplify right side
    8,485.09x = 37,379,621.01
  5. Step 5: Solve for x
    x = 37,379,621.01/8,485.09
  6. Step 6: Final answer
    x = 4,405.33

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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.