Home / 8,400.24-12,599.76-2,556.50

Finding the Fourth Proportional to 8,400.24, 12,599.76 and 2,556.50

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Solution

The fourth proportional to 8,400.24, 12,599.76 and 2,556.50 is: 3,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.24 : 12,599.76 = 2,556.50 : x
  2. Step 2: Convert to fraction form
    8,400.24/12,599.76 = 2,556.50/x
  3. Step 3: Cross multiply
    8,400.24x = 12,599.76 × 2,556.50
  4. Step 4: Simplify right side
    8,400.24x = 32,211,286.44
  5. Step 5: Solve for x
    x = 32,211,286.44/8,400.24
  6. Step 6: Final answer
    x = 3,834.57

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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.