Home / 4,274.58-6,403.36-2,809.29

Finding the Fourth Proportional to 4,274.58, 6,403.36 and 2,809.29

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Solution

The fourth proportional to 4,274.58, 6,403.36 and 2,809.29 is: 4,208.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.58 : 6,403.36 = 2,809.29 : x
  2. Step 2: Convert to fraction form
    4,274.58/6,403.36 = 2,809.29/x
  3. Step 3: Cross multiply
    4,274.58x = 6,403.36 × 2,809.29
  4. Step 4: Simplify right side
    4,274.58x = 17,988,895.21
  5. Step 5: Solve for x
    x = 17,988,895.21/4,274.58
  6. Step 6: Final answer
    x = 4,208.34

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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.