Home / 8,230.31-12,342.36-2,682.35

Finding the Fourth Proportional to 8,230.31, 12,342.36 and 2,682.35

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Solution

The fourth proportional to 8,230.31, 12,342.36 and 2,682.35 is: 4,022.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230.31 : 12,342.36 = 2,682.35 : x
  2. Step 2: Convert to fraction form
    8,230.31/12,342.36 = 2,682.35/x
  3. Step 3: Cross multiply
    8,230.31x = 12,342.36 × 2,682.35
  4. Step 4: Simplify right side
    8,230.31x = 33,106,529.35
  5. Step 5: Solve for x
    x = 33,106,529.35/8,230.31
  6. Step 6: Final answer
    x = 4,022.51

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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.