Home / 7,123.24-10,683.60-2,738.44

Finding the Fourth Proportional to 7,123.24, 10,683.60 and 2,738.44

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Solution

The fourth proportional to 7,123.24, 10,683.60 and 2,738.44 is: 4,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,123.24 : 10,683.60 = 2,738.44 : x
  2. Step 2: Convert to fraction form
    7,123.24/10,683.60 = 2,738.44/x
  3. Step 3: Cross multiply
    7,123.24x = 10,683.60 × 2,738.44
  4. Step 4: Simplify right side
    7,123.24x = 29,256,397.58
  5. Step 5: Solve for x
    x = 29,256,397.58/7,123.24
  6. Step 6: Final answer
    x = 4,107.18

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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.