Home / 8,612.35-12,908.14-4,450.09

Finding the Fourth Proportional to 8,612.35, 12,908.14 and 4,450.09

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Solution

The fourth proportional to 8,612.35, 12,908.14 and 4,450.09 is: 6,669.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612.35 : 12,908.14 = 4,450.09 : x
  2. Step 2: Convert to fraction form
    8,612.35/12,908.14 = 4,450.09/x
  3. Step 3: Cross multiply
    8,612.35x = 12,908.14 × 4,450.09
  4. Step 4: Simplify right side
    8,612.35x = 57,442,384.73
  5. Step 5: Solve for x
    x = 57,442,384.73/8,612.35
  6. Step 6: Final answer
    x = 6,669.77

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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.