Home / 4,391.84-6,059.04-2,820.80

Finding the Fourth Proportional to 4,391.84, 6,059.04 and 2,820.80

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Solution

The fourth proportional to 4,391.84, 6,059.04 and 2,820.80 is: 3,891.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,391.84 : 6,059.04 = 2,820.80 : x
  2. Step 2: Convert to fraction form
    4,391.84/6,059.04 = 2,820.80/x
  3. Step 3: Cross multiply
    4,391.84x = 6,059.04 × 2,820.80
  4. Step 4: Simplify right side
    4,391.84x = 17,091,340.03
  5. Step 5: Solve for x
    x = 17,091,340.03/4,391.84
  6. Step 6: Final answer
    x = 3,891.61

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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.