Home / 5,123.33-7,679.46-2,485.25

Finding the Fourth Proportional to 5,123.33, 7,679.46 and 2,485.25

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Solution

The fourth proportional to 5,123.33, 7,679.46 and 2,485.25 is: 3,725.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123.33 : 7,679.46 = 2,485.25 : x
  2. Step 2: Convert to fraction form
    5,123.33/7,679.46 = 2,485.25/x
  3. Step 3: Cross multiply
    5,123.33x = 7,679.46 × 2,485.25
  4. Step 4: Simplify right side
    5,123.33x = 19,085,377.97
  5. Step 5: Solve for x
    x = 19,085,377.97/5,123.33
  6. Step 6: Final answer
    x = 3,725.19

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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.