Home / 6,976.47-9,629.40-4,322.43

Finding the Fourth Proportional to 6,976.47, 9,629.40 and 4,322.43

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Solution

The fourth proportional to 6,976.47, 9,629.40 and 4,322.43 is: 5,966.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,976.47 : 9,629.40 = 4,322.43 : x
  2. Step 2: Convert to fraction form
    6,976.47/9,629.40 = 4,322.43/x
  3. Step 3: Cross multiply
    6,976.47x = 9,629.40 × 4,322.43
  4. Step 4: Simplify right side
    6,976.47x = 41,622,407.44
  5. Step 5: Solve for x
    x = 41,622,407.44/6,976.47
  6. Step 6: Final answer
    x = 5,966.11

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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.