Home / 7,669.78-10,584.28-4,312.73

Finding the Fourth Proportional to 7,669.78, 10,584.28 and 4,312.73

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Solution

The fourth proportional to 7,669.78, 10,584.28 and 4,312.73 is: 5,951.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.78 : 10,584.28 = 4,312.73 : x
  2. Step 2: Convert to fraction form
    7,669.78/10,584.28 = 4,312.73/x
  3. Step 3: Cross multiply
    7,669.78x = 10,584.28 × 4,312.73
  4. Step 4: Simplify right side
    7,669.78x = 45,647,141.88
  5. Step 5: Solve for x
    x = 45,647,141.88/7,669.78
  6. Step 6: Final answer
    x = 5,951.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.