Home / 8,768.23-13,158.09-3,221.62

Finding the Fourth Proportional to 8,768.23, 13,158.09 and 3,221.62

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Solution

The fourth proportional to 8,768.23, 13,158.09 and 3,221.62 is: 4,834.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.23 : 13,158.09 = 3,221.62 : x
  2. Step 2: Convert to fraction form
    8,768.23/13,158.09 = 3,221.62/x
  3. Step 3: Cross multiply
    8,768.23x = 13,158.09 × 3,221.62
  4. Step 4: Simplify right side
    8,768.23x = 42,390,365.91
  5. Step 5: Solve for x
    x = 42,390,365.91/8,768.23
  6. Step 6: Final answer
    x = 4,834.54

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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.