Home / 8,426.84-12,632.88-3,493.40

Finding the Fourth Proportional to 8,426.84, 12,632.88 and 3,493.40

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Solution

The fourth proportional to 8,426.84, 12,632.88 and 3,493.40 is: 5,237.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.84 : 12,632.88 = 3,493.40 : x
  2. Step 2: Convert to fraction form
    8,426.84/12,632.88 = 3,493.40/x
  3. Step 3: Cross multiply
    8,426.84x = 12,632.88 × 3,493.40
  4. Step 4: Simplify right side
    8,426.84x = 44,131,702.99
  5. Step 5: Solve for x
    x = 44,131,702.99/8,426.84
  6. Step 6: Final answer
    x = 5,237.04

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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.