Home / 8,516.20-12,774.24-3,322.08

Finding the Fourth Proportional to 8,516.20, 12,774.24 and 3,322.08

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Solution

The fourth proportional to 8,516.20, 12,774.24 and 3,322.08 is: 4,983.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.20 : 12,774.24 = 3,322.08 : x
  2. Step 2: Convert to fraction form
    8,516.20/12,774.24 = 3,322.08/x
  3. Step 3: Cross multiply
    8,516.20x = 12,774.24 × 3,322.08
  4. Step 4: Simplify right side
    8,516.20x = 42,437,007.34
  5. Step 5: Solve for x
    x = 42,437,007.34/8,516.20
  6. Step 6: Final answer
    x = 4,983.09

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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.