Home / 5,351.18-7,391.68-4,107.60

Finding the Fourth Proportional to 5,351.18, 7,391.68 and 4,107.60

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Solution

The fourth proportional to 5,351.18, 7,391.68 and 4,107.60 is: 5,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.18 : 7,391.68 = 4,107.60 : x
  2. Step 2: Convert to fraction form
    5,351.18/7,391.68 = 4,107.60/x
  3. Step 3: Cross multiply
    5,351.18x = 7,391.68 × 4,107.60
  4. Step 4: Simplify right side
    5,351.18x = 30,362,026.78
  5. Step 5: Solve for x
    x = 30,362,026.78/5,351.18
  6. Step 6: Final answer
    x = 5,673.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.