Home / 7,437.94-11,157.21-2,243.81

Finding the Fourth Proportional to 7,437.94, 11,157.21 and 2,243.81

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Solution

The fourth proportional to 7,437.94, 11,157.21 and 2,243.81 is: 3,365.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.94 : 11,157.21 = 2,243.81 : x
  2. Step 2: Convert to fraction form
    7,437.94/11,157.21 = 2,243.81/x
  3. Step 3: Cross multiply
    7,437.94x = 11,157.21 × 2,243.81
  4. Step 4: Simplify right side
    7,437.94x = 25,034,687.26
  5. Step 5: Solve for x
    x = 25,034,687.26/7,437.94
  6. Step 6: Final answer
    x = 3,365.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.