Home / 7,717.25-11,576.55-2,170.64

Finding the Fourth Proportional to 7,717.25, 11,576.55 and 2,170.64

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Solution

The fourth proportional to 7,717.25, 11,576.55 and 2,170.64 is: 3,256.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.25 : 11,576.55 = 2,170.64 : x
  2. Step 2: Convert to fraction form
    7,717.25/11,576.55 = 2,170.64/x
  3. Step 3: Cross multiply
    7,717.25x = 11,576.55 × 2,170.64
  4. Step 4: Simplify right side
    7,717.25x = 25,128,464.61
  5. Step 5: Solve for x
    x = 25,128,464.61/7,717.25
  6. Step 6: Final answer
    x = 3,256.14

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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.