Home / 5,378.94-7,423.64-3,021.08

Finding the Fourth Proportional to 5,378.94, 7,423.64 and 3,021.08

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Solution

The fourth proportional to 5,378.94, 7,423.64 and 3,021.08 is: 4,169.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.94 : 7,423.64 = 3,021.08 : x
  2. Step 2: Convert to fraction form
    5,378.94/7,423.64 = 3,021.08/x
  3. Step 3: Cross multiply
    5,378.94x = 7,423.64 × 3,021.08
  4. Step 4: Simplify right side
    5,378.94x = 22,427,413.14
  5. Step 5: Solve for x
    x = 22,427,413.14/5,378.94
  6. Step 6: Final answer
    x = 4,169.48

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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.