Home / 8,255.45-12,376.69-5,650.49

Finding the Fourth Proportional to 8,255.45, 12,376.69 and 5,650.49

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Solution

The fourth proportional to 8,255.45, 12,376.69 and 5,650.49 is: 8,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.45 : 12,376.69 = 5,650.49 : x
  2. Step 2: Convert to fraction form
    8,255.45/12,376.69 = 5,650.49/x
  3. Step 3: Cross multiply
    8,255.45x = 12,376.69 × 5,650.49
  4. Step 4: Simplify right side
    8,255.45x = 69,934,363.08
  5. Step 5: Solve for x
    x = 69,934,363.08/8,255.45
  6. Step 6: Final answer
    x = 8,471.30

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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.