Home / 8,207.08-12,312.78-3,013

Finding the Fourth Proportional to 8,207.08, 12,312.78 and 3,013

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Solution

The fourth proportional to 8,207.08, 12,312.78 and 3,013 is: 4,520.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.08 : 12,312.78 = 3,013 : x
  2. Step 2: Convert to fraction form
    8,207.08/12,312.78 = 3,013/x
  3. Step 3: Cross multiply
    8,207.08x = 12,312.78 × 3,013
  4. Step 4: Simplify right side
    8,207.08x = 37,098,406.14
  5. Step 5: Solve for x
    x = 37,098,406.14/8,207.08
  6. Step 6: Final answer
    x = 4,520.29

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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.