Home / 4,922.70-6,794.31-3,154.47

Finding the Fourth Proportional to 4,922.70, 6,794.31 and 3,154.47

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Solution

The fourth proportional to 4,922.70, 6,794.31 and 3,154.47 is: 4,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,922.70 : 6,794.31 = 3,154.47 : x
  2. Step 2: Convert to fraction form
    4,922.70/6,794.31 = 3,154.47/x
  3. Step 3: Cross multiply
    4,922.70x = 6,794.31 × 3,154.47
  4. Step 4: Simplify right side
    4,922.70x = 21,432,447.07
  5. Step 5: Solve for x
    x = 21,432,447.07/4,922.70
  6. Step 6: Final answer
    x = 4,353.80

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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.