Home / 8,329.20-12,495.44-2,485.68

Finding the Fourth Proportional to 8,329.20, 12,495.44 and 2,485.68

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Solution

The fourth proportional to 8,329.20, 12,495.44 and 2,485.68 is: 3,729.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,329.20 : 12,495.44 = 2,485.68 : x
  2. Step 2: Convert to fraction form
    8,329.20/12,495.44 = 2,485.68/x
  3. Step 3: Cross multiply
    8,329.20x = 12,495.44 × 2,485.68
  4. Step 4: Simplify right side
    8,329.20x = 31,059,665.30
  5. Step 5: Solve for x
    x = 31,059,665.30/8,329.20
  6. Step 6: Final answer
    x = 3,729.01

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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.