Home / 5,391.21-7,436.40-3,476.19

Finding the Fourth Proportional to 5,391.21, 7,436.40 and 3,476.19

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Solution

The fourth proportional to 5,391.21, 7,436.40 and 3,476.19 is: 4,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.21 : 7,436.40 = 3,476.19 : x
  2. Step 2: Convert to fraction form
    5,391.21/7,436.40 = 3,476.19/x
  3. Step 3: Cross multiply
    5,391.21x = 7,436.40 × 3,476.19
  4. Step 4: Simplify right side
    5,391.21x = 25,850,339.32
  5. Step 5: Solve for x
    x = 25,850,339.32/5,391.21
  6. Step 6: Final answer
    x = 4,794.90

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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.