Home / 8,682.07-13,020.39-3,134.69

Finding the Fourth Proportional to 8,682.07, 13,020.39 and 3,134.69

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Solution

The fourth proportional to 8,682.07, 13,020.39 and 3,134.69 is: 4,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.07 : 13,020.39 = 3,134.69 : x
  2. Step 2: Convert to fraction form
    8,682.07/13,020.39 = 3,134.69/x
  3. Step 3: Cross multiply
    8,682.07x = 13,020.39 × 3,134.69
  4. Step 4: Simplify right side
    8,682.07x = 40,814,886.33
  5. Step 5: Solve for x
    x = 40,814,886.33/8,682.07
  6. Step 6: Final answer
    x = 4,701.05

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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.