Home / 4,288.36-6,425.89-2,974.66

Finding the Fourth Proportional to 4,288.36, 6,425.89 and 2,974.66

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Solution

The fourth proportional to 4,288.36, 6,425.89 and 2,974.66 is: 4,457.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.36 : 6,425.89 = 2,974.66 : x
  2. Step 2: Convert to fraction form
    4,288.36/6,425.89 = 2,974.66/x
  3. Step 3: Cross multiply
    4,288.36x = 6,425.89 × 2,974.66
  4. Step 4: Simplify right side
    4,288.36x = 19,114,857.73
  5. Step 5: Solve for x
    x = 19,114,857.73/4,288.36
  6. Step 6: Final answer
    x = 4,457.39

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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.