Home / 8,322.72-11,485.22-4,786

Finding the Fourth Proportional to 8,322.72, 11,485.22 and 4,786

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Solution

The fourth proportional to 8,322.72, 11,485.22 and 4,786 is: 6,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.72 : 11,485.22 = 4,786 : x
  2. Step 2: Convert to fraction form
    8,322.72/11,485.22 = 4,786/x
  3. Step 3: Cross multiply
    8,322.72x = 11,485.22 × 4,786
  4. Step 4: Simplify right side
    8,322.72x = 54,968,262.92
  5. Step 5: Solve for x
    x = 54,968,262.92/8,322.72
  6. Step 6: Final answer
    x = 6,604.60

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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.