Home / 7,576.81-11,360.09-2,643.76

Finding the Fourth Proportional to 7,576.81, 11,360.09 and 2,643.76

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Solution

The fourth proportional to 7,576.81, 11,360.09 and 2,643.76 is: 3,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,576.81 : 11,360.09 = 2,643.76 : x
  2. Step 2: Convert to fraction form
    7,576.81/11,360.09 = 2,643.76/x
  3. Step 3: Cross multiply
    7,576.81x = 11,360.09 × 2,643.76
  4. Step 4: Simplify right side
    7,576.81x = 30,033,351.54
  5. Step 5: Solve for x
    x = 30,033,351.54/7,576.81
  6. Step 6: Final answer
    x = 3,963.85

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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.