Home / 4,272.78-6,410.08-1,351.32

Finding the Fourth Proportional to 4,272.78, 6,410.08 and 1,351.32

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Solution

The fourth proportional to 4,272.78, 6,410.08 and 1,351.32 is: 2,027.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.78 : 6,410.08 = 1,351.32 : x
  2. Step 2: Convert to fraction form
    4,272.78/6,410.08 = 1,351.32/x
  3. Step 3: Cross multiply
    4,272.78x = 6,410.08 × 1,351.32
  4. Step 4: Simplify right side
    4,272.78x = 8,662,069.31
  5. Step 5: Solve for x
    x = 8,662,069.31/4,272.78
  6. Step 6: Final answer
    x = 2,027.27

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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.