Home / 7,361.28-11,040-2,741.76

Finding the Fourth Proportional to 7,361.28, 11,040 and 2,741.76

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Solution

The fourth proportional to 7,361.28, 11,040 and 2,741.76 is: 4,111.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.28 : 11,040 = 2,741.76 : x
  2. Step 2: Convert to fraction form
    7,361.28/11,040 = 2,741.76/x
  3. Step 3: Cross multiply
    7,361.28x = 11,040 × 2,741.76
  4. Step 4: Simplify right side
    7,361.28x = 30,269,030.40
  5. Step 5: Solve for x
    x = 30,269,030.40/7,361.28
  6. Step 6: Final answer
    x = 4,111.92

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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.