Home / 4,912.72-7,366.41-1,948.86

Finding the Fourth Proportional to 4,912.72, 7,366.41 and 1,948.86

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Solution

The fourth proportional to 4,912.72, 7,366.41 and 1,948.86 is: 2,922.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.72 : 7,366.41 = 1,948.86 : x
  2. Step 2: Convert to fraction form
    4,912.72/7,366.41 = 1,948.86/x
  3. Step 3: Cross multiply
    4,912.72x = 7,366.41 × 1,948.86
  4. Step 4: Simplify right side
    4,912.72x = 14,356,101.79
  5. Step 5: Solve for x
    x = 14,356,101.79/4,912.72
  6. Step 6: Final answer
    x = 2,922.23

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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.