Home / 8,450.20-12,675.30-2,607.40

Finding the Fourth Proportional to 8,450.20, 12,675.30 and 2,607.40

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Solution

The fourth proportional to 8,450.20, 12,675.30 and 2,607.40 is: 3,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.20 : 12,675.30 = 2,607.40 : x
  2. Step 2: Convert to fraction form
    8,450.20/12,675.30 = 2,607.40/x
  3. Step 3: Cross multiply
    8,450.20x = 12,675.30 × 2,607.40
  4. Step 4: Simplify right side
    8,450.20x = 33,049,577.22
  5. Step 5: Solve for x
    x = 33,049,577.22/8,450.20
  6. Step 6: Final answer
    x = 3,911.10

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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.