Home / 7,925.72-11,884.74-3,975.28

Finding the Fourth Proportional to 7,925.72, 11,884.74 and 3,975.28

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Solution

The fourth proportional to 7,925.72, 11,884.74 and 3,975.28 is: 5,960.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.72 : 11,884.74 = 3,975.28 : x
  2. Step 2: Convert to fraction form
    7,925.72/11,884.74 = 3,975.28/x
  3. Step 3: Cross multiply
    7,925.72x = 11,884.74 × 3,975.28
  4. Step 4: Simplify right side
    7,925.72x = 47,245,169.23
  5. Step 5: Solve for x
    x = 47,245,169.23/7,925.72
  6. Step 6: Final answer
    x = 5,960.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.