Home / 7,331.06-10,116.81-3,973.79

Finding the Fourth Proportional to 7,331.06, 10,116.81 and 3,973.79

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Solution

The fourth proportional to 7,331.06, 10,116.81 and 3,973.79 is: 5,483.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.06 : 10,116.81 = 3,973.79 : x
  2. Step 2: Convert to fraction form
    7,331.06/10,116.81 = 3,973.79/x
  3. Step 3: Cross multiply
    7,331.06x = 10,116.81 × 3,973.79
  4. Step 4: Simplify right side
    7,331.06x = 40,202,058.54
  5. Step 5: Solve for x
    x = 40,202,058.54/7,331.06
  6. Step 6: Final answer
    x = 5,483.80

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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.