Home / 7,982.08-11,012.27-4,623.66

Finding the Fourth Proportional to 7,982.08, 11,012.27 and 4,623.66

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Solution

The fourth proportional to 7,982.08, 11,012.27 and 4,623.66 is: 6,378.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.08 : 11,012.27 = 4,623.66 : x
  2. Step 2: Convert to fraction form
    7,982.08/11,012.27 = 4,623.66/x
  3. Step 3: Cross multiply
    7,982.08x = 11,012.27 × 4,623.66
  4. Step 4: Simplify right side
    7,982.08x = 50,916,969.19
  5. Step 5: Solve for x
    x = 50,916,969.19/7,982.08
  6. Step 6: Final answer
    x = 6,378.91

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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.