Home / 8,304.08-12,455.40-2,757.20

Finding the Fourth Proportional to 8,304.08, 12,455.40 and 2,757.20

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Solution

The fourth proportional to 8,304.08, 12,455.40 and 2,757.20 is: 4,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304.08 : 12,455.40 = 2,757.20 : x
  2. Step 2: Convert to fraction form
    8,304.08/12,455.40 = 2,757.20/x
  3. Step 3: Cross multiply
    8,304.08x = 12,455.40 × 2,757.20
  4. Step 4: Simplify right side
    8,304.08x = 34,342,028.88
  5. Step 5: Solve for x
    x = 34,342,028.88/8,304.08
  6. Step 6: Final answer
    x = 4,135.56

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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.