Home / 5,391.76-7,441.37-3,268.15

Finding the Fourth Proportional to 5,391.76, 7,441.37 and 3,268.15

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Solution

The fourth proportional to 5,391.76, 7,441.37 and 3,268.15 is: 4,510.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.76 : 7,441.37 = 3,268.15 : x
  2. Step 2: Convert to fraction form
    5,391.76/7,441.37 = 3,268.15/x
  3. Step 3: Cross multiply
    5,391.76x = 7,441.37 × 3,268.15
  4. Step 4: Simplify right side
    5,391.76x = 24,319,513.37
  5. Step 5: Solve for x
    x = 24,319,513.37/5,391.76
  6. Step 6: Final answer
    x = 4,510.50

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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.