Home / 7,418.09-11,123.01-3,038.60

Finding the Fourth Proportional to 7,418.09, 11,123.01 and 3,038.60

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Solution

The fourth proportional to 7,418.09, 11,123.01 and 3,038.60 is: 4,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.09 : 11,123.01 = 3,038.60 : x
  2. Step 2: Convert to fraction form
    7,418.09/11,123.01 = 3,038.60/x
  3. Step 3: Cross multiply
    7,418.09x = 11,123.01 × 3,038.60
  4. Step 4: Simplify right side
    7,418.09x = 33,798,322.57
  5. Step 5: Solve for x
    x = 33,798,322.57/7,418.09
  6. Step 6: Final answer
    x = 4,556.21

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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.