Home / 8,284.80-12,427.68-3,354.32

Finding the Fourth Proportional to 8,284.80, 12,427.68 and 3,354.32

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Solution

The fourth proportional to 8,284.80, 12,427.68 and 3,354.32 is: 5,031.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.80 : 12,427.68 = 3,354.32 : x
  2. Step 2: Convert to fraction form
    8,284.80/12,427.68 = 3,354.32/x
  3. Step 3: Cross multiply
    8,284.80x = 12,427.68 × 3,354.32
  4. Step 4: Simplify right side
    8,284.80x = 41,686,415.58
  5. Step 5: Solve for x
    x = 41,686,415.58/8,284.80
  6. Step 6: Final answer
    x = 5,031.67

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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.