Home / 8,660.06-12,994.43-3,114.65

Finding the Fourth Proportional to 8,660.06, 12,994.43 and 3,114.65

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Solution

The fourth proportional to 8,660.06, 12,994.43 and 3,114.65 is: 4,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660.06 : 12,994.43 = 3,114.65 : x
  2. Step 2: Convert to fraction form
    8,660.06/12,994.43 = 3,114.65/x
  3. Step 3: Cross multiply
    8,660.06x = 12,994.43 × 3,114.65
  4. Step 4: Simplify right side
    8,660.06x = 40,473,118.31
  5. Step 5: Solve for x
    x = 40,473,118.31/8,660.06
  6. Step 6: Final answer
    x = 4,673.54

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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.