Home / 4,291.36-6,427.79-2,897.03

Finding the Fourth Proportional to 4,291.36, 6,427.79 and 2,897.03

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Solution

The fourth proportional to 4,291.36, 6,427.79 and 2,897.03 is: 4,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.36 : 6,427.79 = 2,897.03 : x
  2. Step 2: Convert to fraction form
    4,291.36/6,427.79 = 2,897.03/x
  3. Step 3: Cross multiply
    4,291.36x = 6,427.79 × 2,897.03
  4. Step 4: Simplify right side
    4,291.36x = 18,621,520.36
  5. Step 5: Solve for x
    x = 18,621,520.36/4,291.36
  6. Step 6: Final answer
    x = 4,339.30

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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.