Home / 7,343.91-10,134.43-3,986.73

Finding the Fourth Proportional to 7,343.91, 10,134.43 and 3,986.73

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Solution

The fourth proportional to 7,343.91, 10,134.43 and 3,986.73 is: 5,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.91 : 10,134.43 = 3,986.73 : x
  2. Step 2: Convert to fraction form
    7,343.91/10,134.43 = 3,986.73/x
  3. Step 3: Cross multiply
    7,343.91x = 10,134.43 × 3,986.73
  4. Step 4: Simplify right side
    7,343.91x = 40,403,236.11
  5. Step 5: Solve for x
    x = 40,403,236.11/7,343.91
  6. Step 6: Final answer
    x = 5,501.60

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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.