Home / 5,123.19-7,679.93-2,523.09

Finding the Fourth Proportional to 5,123.19, 7,679.93 and 2,523.09

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Solution

The fourth proportional to 5,123.19, 7,679.93 and 2,523.09 is: 3,782.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123.19 : 7,679.93 = 2,523.09 : x
  2. Step 2: Convert to fraction form
    5,123.19/7,679.93 = 2,523.09/x
  3. Step 3: Cross multiply
    5,123.19x = 7,679.93 × 2,523.09
  4. Step 4: Simplify right side
    5,123.19x = 19,377,141.97
  5. Step 5: Solve for x
    x = 19,377,141.97/5,123.19
  6. Step 6: Final answer
    x = 3,782.24

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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.