Home / 7,717.74-11,576.60-2,171.64

Finding the Fourth Proportional to 7,717.74, 11,576.60 and 2,171.64

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Solution

The fourth proportional to 7,717.74, 11,576.60 and 2,171.64 is: 3,257.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.74 : 11,576.60 = 2,171.64 : x
  2. Step 2: Convert to fraction form
    7,717.74/11,576.60 = 2,171.64/x
  3. Step 3: Cross multiply
    7,717.74x = 11,576.60 × 2,171.64
  4. Step 4: Simplify right side
    7,717.74x = 25,140,196.77
  5. Step 5: Solve for x
    x = 25,140,196.77/7,717.74
  6. Step 6: Final answer
    x = 3,257.46

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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.