Home / 7,343.87-10,134.26-3,986.61

Finding the Fourth Proportional to 7,343.87, 10,134.26 and 3,986.61

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Solution

The fourth proportional to 7,343.87, 10,134.26 and 3,986.61 is: 5,501.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.87 : 10,134.26 = 3,986.61 : x
  2. Step 2: Convert to fraction form
    7,343.87/10,134.26 = 3,986.61/x
  3. Step 3: Cross multiply
    7,343.87x = 10,134.26 × 3,986.61
  4. Step 4: Simplify right side
    7,343.87x = 40,401,322.33
  5. Step 5: Solve for x
    x = 40,401,322.33/7,343.87
  6. Step 6: Final answer
    x = 5,501.37

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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.