Home / 4,272.78-6,410.73-2,193.30

Finding the Fourth Proportional to 4,272.78, 6,410.73 and 2,193.30

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Solution

The fourth proportional to 4,272.78, 6,410.73 and 2,193.30 is: 3,290.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.78 : 6,410.73 = 2,193.30 : x
  2. Step 2: Convert to fraction form
    4,272.78/6,410.73 = 2,193.30/x
  3. Step 3: Cross multiply
    4,272.78x = 6,410.73 × 2,193.30
  4. Step 4: Simplify right side
    4,272.78x = 14,060,654.11
  5. Step 5: Solve for x
    x = 14,060,654.11/4,272.78
  6. Step 6: Final answer
    x = 3,290.75

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1.5x scale

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.