Home / 7,343.94-10,134.73-3,986.79

Finding the Fourth Proportional to 7,343.94, 10,134.73 and 3,986.79

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Solution

The fourth proportional to 7,343.94, 10,134.73 and 3,986.79 is: 5,501.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.94 : 10,134.73 = 3,986.79 : x
  2. Step 2: Convert to fraction form
    7,343.94/10,134.73 = 3,986.79/x
  3. Step 3: Cross multiply
    7,343.94x = 10,134.73 × 3,986.79
  4. Step 4: Simplify right side
    7,343.94x = 40,405,040.22
  5. Step 5: Solve for x
    x = 40,405,040.22/7,343.94
  6. Step 6: Final answer
    x = 5,501.82

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1.5x scale

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.