Home / 7,309.19-10,086.67-3,952

Finding the Fourth Proportional to 7,309.19, 10,086.67 and 3,952

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Solution

The fourth proportional to 7,309.19, 10,086.67 and 3,952 is: 5,453.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.19 : 10,086.67 = 3,952 : x
  2. Step 2: Convert to fraction form
    7,309.19/10,086.67 = 3,952/x
  3. Step 3: Cross multiply
    7,309.19x = 10,086.67 × 3,952
  4. Step 4: Simplify right side
    7,309.19x = 39,862,519.84
  5. Step 5: Solve for x
    x = 39,862,519.84/7,309.19
  6. Step 6: Final answer
    x = 5,453.75

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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.