Home / 7,928.26-10,941.61-4,391.80

Finding the Fourth Proportional to 7,928.26, 10,941.61 and 4,391.80

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Solution

The fourth proportional to 7,928.26, 10,941.61 and 4,391.80 is: 6,061.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.26 : 10,941.61 = 4,391.80 : x
  2. Step 2: Convert to fraction form
    7,928.26/10,941.61 = 4,391.80/x
  3. Step 3: Cross multiply
    7,928.26x = 10,941.61 × 4,391.80
  4. Step 4: Simplify right side
    7,928.26x = 48,053,308.09
  5. Step 5: Solve for x
    x = 48,053,308.09/7,928.26
  6. Step 6: Final answer
    x = 6,061.02

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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.