Home / 7,257.02-10,890.39-2,576.84

Finding the Fourth Proportional to 7,257.02, 10,890.39 and 2,576.84

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Solution

The fourth proportional to 7,257.02, 10,890.39 and 2,576.84 is: 3,866.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.02 : 10,890.39 = 2,576.84 : x
  2. Step 2: Convert to fraction form
    7,257.02/10,890.39 = 2,576.84/x
  3. Step 3: Cross multiply
    7,257.02x = 10,890.39 × 2,576.84
  4. Step 4: Simplify right side
    7,257.02x = 28,062,792.57
  5. Step 5: Solve for x
    x = 28,062,792.57/7,257.02
  6. Step 6: Final answer
    x = 3,866.99

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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.