Home / 8,682.32-13,023.46-2,108.49

Finding the Fourth Proportional to 8,682.32, 13,023.46 and 2,108.49

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Solution

The fourth proportional to 8,682.32, 13,023.46 and 2,108.49 is: 3,162.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.32 : 13,023.46 = 2,108.49 : x
  2. Step 2: Convert to fraction form
    8,682.32/13,023.46 = 2,108.49/x
  3. Step 3: Cross multiply
    8,682.32x = 13,023.46 × 2,108.49
  4. Step 4: Simplify right side
    8,682.32x = 27,459,824.63
  5. Step 5: Solve for x
    x = 27,459,824.63/8,682.32
  6. Step 6: Final answer
    x = 3,162.73

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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.