Home / 4,548.88-6,823.82-1,428.99

Finding the Fourth Proportional to 4,548.88, 6,823.82 and 1,428.99

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Solution

The fourth proportional to 4,548.88, 6,823.82 and 1,428.99 is: 2,143.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,548.88 : 6,823.82 = 1,428.99 : x
  2. Step 2: Convert to fraction form
    4,548.88/6,823.82 = 1,428.99/x
  3. Step 3: Cross multiply
    4,548.88x = 6,823.82 × 1,428.99
  4. Step 4: Simplify right side
    4,548.88x = 9,751,182.89
  5. Step 5: Solve for x
    x = 9,751,182.89/4,548.88
  6. Step 6: Final answer
    x = 2,143.64

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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.