Home / 7,834.60-11,751.74-3,217.64

Finding the Fourth Proportional to 7,834.60, 11,751.74 and 3,217.64

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Solution

The fourth proportional to 7,834.60, 11,751.74 and 3,217.64 is: 4,826.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.60 : 11,751.74 = 3,217.64 : x
  2. Step 2: Convert to fraction form
    7,834.60/11,751.74 = 3,217.64/x
  3. Step 3: Cross multiply
    7,834.60x = 11,751.74 × 3,217.64
  4. Step 4: Simplify right side
    7,834.60x = 37,812,868.69
  5. Step 5: Solve for x
    x = 37,812,868.69/7,834.60
  6. Step 6: Final answer
    x = 4,826.39

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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.