Home / 8,402.26-12,604.76-2,557.50

Finding the Fourth Proportional to 8,402.26, 12,604.76 and 2,557.50

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Solution

The fourth proportional to 8,402.26, 12,604.76 and 2,557.50 is: 3,836.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,402.26 : 12,604.76 = 2,557.50 : x
  2. Step 2: Convert to fraction form
    8,402.26/12,604.76 = 2,557.50/x
  3. Step 3: Cross multiply
    8,402.26x = 12,604.76 × 2,557.50
  4. Step 4: Simplify right side
    8,402.26x = 32,236,673.70
  5. Step 5: Solve for x
    x = 32,236,673.70/8,402.26
  6. Step 6: Final answer
    x = 3,836.67

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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.