Home / 9,728.21-14,591.09-2,708.75

Finding the Fourth Proportional to 9,728.21, 14,591.09 and 2,708.75

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Solution

The fourth proportional to 9,728.21, 14,591.09 and 2,708.75 is: 4,062.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,728.21 : 14,591.09 = 2,708.75 : x
  2. Step 2: Convert to fraction form
    9,728.21/14,591.09 = 2,708.75/x
  3. Step 3: Cross multiply
    9,728.21x = 14,591.09 × 2,708.75
  4. Step 4: Simplify right side
    9,728.21x = 39,523,615.04
  5. Step 5: Solve for x
    x = 39,523,615.04/9,728.21
  6. Step 6: Final answer
    x = 4,062.78

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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.