Home / 5,315.24-8,003.73-3,938.33

Finding the Fourth Proportional to 5,315.24, 8,003.73 and 3,938.33

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Solution

The fourth proportional to 5,315.24, 8,003.73 and 3,938.33 is: 5,930.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.24 : 8,003.73 = 3,938.33 : x
  2. Step 2: Convert to fraction form
    5,315.24/8,003.73 = 3,938.33/x
  3. Step 3: Cross multiply
    5,315.24x = 8,003.73 × 3,938.33
  4. Step 4: Simplify right side
    5,315.24x = 31,521,289.95
  5. Step 5: Solve for x
    x = 31,521,289.95/5,315.24
  6. Step 6: Final answer
    x = 5,930.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.