Home / 8,106.08-12,159.66-2,559.65

Finding the Fourth Proportional to 8,106.08, 12,159.66 and 2,559.65

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Solution

The fourth proportional to 8,106.08, 12,159.66 and 2,559.65 is: 3,839.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.08 : 12,159.66 = 2,559.65 : x
  2. Step 2: Convert to fraction form
    8,106.08/12,159.66 = 2,559.65/x
  3. Step 3: Cross multiply
    8,106.08x = 12,159.66 × 2,559.65
  4. Step 4: Simplify right side
    8,106.08x = 31,124,473.72
  5. Step 5: Solve for x
    x = 31,124,473.72/8,106.08
  6. Step 6: Final answer
    x = 3,839.65

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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.