Home / 8,284.40-12,426.30-3,604.41

Finding the Fourth Proportional to 8,284.40, 12,426.30 and 3,604.41

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Solution

The fourth proportional to 8,284.40, 12,426.30 and 3,604.41 is: 5,406.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.40 : 12,426.30 = 3,604.41 : x
  2. Step 2: Convert to fraction form
    8,284.40/12,426.30 = 3,604.41/x
  3. Step 3: Cross multiply
    8,284.40x = 12,426.30 × 3,604.41
  4. Step 4: Simplify right side
    8,284.40x = 44,789,479.98
  5. Step 5: Solve for x
    x = 44,789,479.98/8,284.40
  6. Step 6: Final answer
    x = 5,406.48

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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.