Home / 4,301.05-5,936.71-2,809.20

Finding the Fourth Proportional to 4,301.05, 5,936.71 and 2,809.20

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Solution

The fourth proportional to 4,301.05, 5,936.71 and 2,809.20 is: 3,877.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,301.05 : 5,936.71 = 2,809.20 : x
  2. Step 2: Convert to fraction form
    4,301.05/5,936.71 = 2,809.20/x
  3. Step 3: Cross multiply
    4,301.05x = 5,936.71 × 2,809.20
  4. Step 4: Simplify right side
    4,301.05x = 16,677,405.73
  5. Step 5: Solve for x
    x = 16,677,405.73/4,301.05
  6. Step 6: Final answer
    x = 3,877.52

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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.