Home / 4,397.88-6,069.60-2,720.40

Finding the Fourth Proportional to 4,397.88, 6,069.60 and 2,720.40

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Solution

The fourth proportional to 4,397.88, 6,069.60 and 2,720.40 is: 3,754.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,397.88 : 6,069.60 = 2,720.40 : x
  2. Step 2: Convert to fraction form
    4,397.88/6,069.60 = 2,720.40/x
  3. Step 3: Cross multiply
    4,397.88x = 6,069.60 × 2,720.40
  4. Step 4: Simplify right side
    4,397.88x = 16,511,739.84
  5. Step 5: Solve for x
    x = 16,511,739.84/4,397.88
  6. Step 6: Final answer
    x = 3,754.48

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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.