Home / 8,518.35-12,776.82-3,324.23

Finding the Fourth Proportional to 8,518.35, 12,776.82 and 3,324.23

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Solution

The fourth proportional to 8,518.35, 12,776.82 and 3,324.23 is: 4,986.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.35 : 12,776.82 = 3,324.23 : x
  2. Step 2: Convert to fraction form
    8,518.35/12,776.82 = 3,324.23/x
  3. Step 3: Cross multiply
    8,518.35x = 12,776.82 × 3,324.23
  4. Step 4: Simplify right side
    8,518.35x = 42,473,088.35
  5. Step 5: Solve for x
    x = 42,473,088.35/8,518.35
  6. Step 6: Final answer
    x = 4,986.07

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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.