Home / 8,218.29-11,338.47-4,679.00

Finding the Fourth Proportional to 8,218.29, 11,338.47 and 4,679.00

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Solution

The fourth proportional to 8,218.29, 11,338.47 and 4,679.00 is: 6,455.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.29 : 11,338.47 = 4,679.00 : x
  2. Step 2: Convert to fraction form
    8,218.29/11,338.47 = 4,679.00/x
  3. Step 3: Cross multiply
    8,218.29x = 11,338.47 × 4,679.00
  4. Step 4: Simplify right side
    8,218.29x = 53,052,644.44
  5. Step 5: Solve for x
    x = 53,052,644.44/8,218.29
  6. Step 6: Final answer
    x = 6,455.44

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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.