Home / 8,235.50-12,356.68-3,308.64

Finding the Fourth Proportional to 8,235.50, 12,356.68 and 3,308.64

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Solution

The fourth proportional to 8,235.50, 12,356.68 and 3,308.64 is: 4,964.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.50 : 12,356.68 = 3,308.64 : x
  2. Step 2: Convert to fraction form
    8,235.50/12,356.68 = 3,308.64/x
  3. Step 3: Cross multiply
    8,235.50x = 12,356.68 × 3,308.64
  4. Step 4: Simplify right side
    8,235.50x = 40,883,805.72
  5. Step 5: Solve for x
    x = 40,883,805.72/8,235.50
  6. Step 6: Final answer
    x = 4,964.34

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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.