Home / 9,235.84-13,851.78-2,660.80

Finding the Fourth Proportional to 9,235.84, 13,851.78 and 2,660.80

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Solution

The fourth proportional to 9,235.84, 13,851.78 and 2,660.80 is: 3,990.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235.84 : 13,851.78 = 2,660.80 : x
  2. Step 2: Convert to fraction form
    9,235.84/13,851.78 = 2,660.80/x
  3. Step 3: Cross multiply
    9,235.84x = 13,851.78 × 2,660.80
  4. Step 4: Simplify right side
    9,235.84x = 36,856,816.22
  5. Step 5: Solve for x
    x = 36,856,816.22/9,235.84
  6. Step 6: Final answer
    x = 3,990.63

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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.