Home / 8,235.45-12,355.01-3,238.30

Finding the Fourth Proportional to 8,235.45, 12,355.01 and 3,238.30

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Solution

The fourth proportional to 8,235.45, 12,355.01 and 3,238.30 is: 4,858.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.45 : 12,355.01 = 3,238.30 : x
  2. Step 2: Convert to fraction form
    8,235.45/12,355.01 = 3,238.30/x
  3. Step 3: Cross multiply
    8,235.45x = 12,355.01 × 3,238.30
  4. Step 4: Simplify right side
    8,235.45x = 40,009,228.88
  5. Step 5: Solve for x
    x = 40,009,228.88/8,235.45
  6. Step 6: Final answer
    x = 4,858.17

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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.