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Finding the Fourth Proportional to 8,329.67, 12,495.26 and 2,406.48

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Solution

The fourth proportional to 8,329.67, 12,495.26 and 2,406.48 is: 3,609.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,329.67 : 12,495.26 = 2,406.48 : x
  2. Step 2: Convert to fraction form
    8,329.67/12,495.26 = 2,406.48/x
  3. Step 3: Cross multiply
    8,329.67x = 12,495.26 × 2,406.48
  4. Step 4: Simplify right side
    8,329.67x = 30,069,581.25
  5. Step 5: Solve for x
    x = 30,069,581.25/8,329.67
  6. Step 6: Final answer
    x = 3,609.94

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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.