Home / 8,313.30-12,469.14-3,316.01

Finding the Fourth Proportional to 8,313.30, 12,469.14 and 3,316.01

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Solution

The fourth proportional to 8,313.30, 12,469.14 and 3,316.01 is: 4,973.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.30 : 12,469.14 = 3,316.01 : x
  2. Step 2: Convert to fraction form
    8,313.30/12,469.14 = 3,316.01/x
  3. Step 3: Cross multiply
    8,313.30x = 12,469.14 × 3,316.01
  4. Step 4: Simplify right side
    8,313.30x = 41,347,730.59
  5. Step 5: Solve for x
    x = 41,347,730.59/8,313.30
  6. Step 6: Final answer
    x = 4,973.68

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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.