Home / 8,106.13-12,160.82-2,559.99

Finding the Fourth Proportional to 8,106.13, 12,160.82 and 2,559.99

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Solution

The fourth proportional to 8,106.13, 12,160.82 and 2,559.99 is: 3,840.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.13 : 12,160.82 = 2,559.99 : x
  2. Step 2: Convert to fraction form
    8,106.13/12,160.82 = 2,559.99/x
  3. Step 3: Cross multiply
    8,106.13x = 12,160.82 × 2,559.99
  4. Step 4: Simplify right side
    8,106.13x = 31,131,577.59
  5. Step 5: Solve for x
    x = 31,131,577.59/8,106.13
  6. Step 6: Final answer
    x = 3,840.50

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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.