Home / 8,426.76-12,634.74-3,499.80

Finding the Fourth Proportional to 8,426.76, 12,634.74 and 3,499.80

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Solution

The fourth proportional to 8,426.76, 12,634.74 and 3,499.80 is: 5,247.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.76 : 12,634.74 = 3,499.80 : x
  2. Step 2: Convert to fraction form
    8,426.76/12,634.74 = 3,499.80/x
  3. Step 3: Cross multiply
    8,426.76x = 12,634.74 × 3,499.80
  4. Step 4: Simplify right side
    8,426.76x = 44,219,063.05
  5. Step 5: Solve for x
    x = 44,219,063.05/8,426.76
  6. Step 6: Final answer
    x = 5,247.46

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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.