Home / 4,399.84-6,070.08-2,828.80

Finding the Fourth Proportional to 4,399.84, 6,070.08 and 2,828.80

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Solution

The fourth proportional to 4,399.84, 6,070.08 and 2,828.80 is: 3,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,399.84 : 6,070.08 = 2,828.80 : x
  2. Step 2: Convert to fraction form
    4,399.84/6,070.08 = 2,828.80/x
  3. Step 3: Cross multiply
    4,399.84x = 6,070.08 × 2,828.80
  4. Step 4: Simplify right side
    4,399.84x = 17,171,042.30
  5. Step 5: Solve for x
    x = 17,171,042.30/4,399.84
  6. Step 6: Final answer
    x = 3,902.65

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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.