Home / 8,416.24-12,626.76-3,222.52

Finding the Fourth Proportional to 8,416.24, 12,626.76 and 3,222.52

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Solution

The fourth proportional to 8,416.24, 12,626.76 and 3,222.52 is: 4,834.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.24 : 12,626.76 = 3,222.52 : x
  2. Step 2: Convert to fraction form
    8,416.24/12,626.76 = 3,222.52/x
  3. Step 3: Cross multiply
    8,416.24x = 12,626.76 × 3,222.52
  4. Step 4: Simplify right side
    8,416.24x = 40,689,986.64
  5. Step 5: Solve for x
    x = 40,689,986.64/8,416.24
  6. Step 6: Final answer
    x = 4,834.70

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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.