Home / 8,087.77-12,132.23-2,164.65

Finding the Fourth Proportional to 8,087.77, 12,132.23 and 2,164.65

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Solution

The fourth proportional to 8,087.77, 12,132.23 and 2,164.65 is: 3,247.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.77 : 12,132.23 = 2,164.65 : x
  2. Step 2: Convert to fraction form
    8,087.77/12,132.23 = 2,164.65/x
  3. Step 3: Cross multiply
    8,087.77x = 12,132.23 × 2,164.65
  4. Step 4: Simplify right side
    8,087.77x = 26,262,021.65
  5. Step 5: Solve for x
    x = 26,262,021.65/8,087.77
  6. Step 6: Final answer
    x = 3,247.13

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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.