Home / 8,511.45-12,768.50-4,349.19

Finding the Fourth Proportional to 8,511.45, 12,768.50 and 4,349.19

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Solution

The fourth proportional to 8,511.45, 12,768.50 and 4,349.19 is: 6,524.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.45 : 12,768.50 = 4,349.19 : x
  2. Step 2: Convert to fraction form
    8,511.45/12,768.50 = 4,349.19/x
  3. Step 3: Cross multiply
    8,511.45x = 12,768.50 × 4,349.19
  4. Step 4: Simplify right side
    8,511.45x = 55,532,691.27
  5. Step 5: Solve for x
    x = 55,532,691.27/8,511.45
  6. Step 6: Final answer
    x = 6,524.47

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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.