Home / 8,428.50-12,636.27-4,527.54

Finding the Fourth Proportional to 8,428.50, 12,636.27 and 4,527.54

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Solution

The fourth proportional to 8,428.50, 12,636.27 and 4,527.54 is: 6,787.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428.50 : 12,636.27 = 4,527.54 : x
  2. Step 2: Convert to fraction form
    8,428.50/12,636.27 = 4,527.54/x
  3. Step 3: Cross multiply
    8,428.50x = 12,636.27 × 4,527.54
  4. Step 4: Simplify right side
    8,428.50x = 57,211,217.88
  5. Step 5: Solve for x
    x = 57,211,217.88/8,428.50
  6. Step 6: Final answer
    x = 6,787.83

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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.