Home / 8,130.03-12,195.86-2,207.00

Finding the Fourth Proportional to 8,130.03, 12,195.86 and 2,207.00

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Solution

The fourth proportional to 8,130.03, 12,195.86 and 2,207.00 is: 3,310.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.03 : 12,195.86 = 2,207.00 : x
  2. Step 2: Convert to fraction form
    8,130.03/12,195.86 = 2,207.00/x
  3. Step 3: Cross multiply
    8,130.03x = 12,195.86 × 2,207.00
  4. Step 4: Simplify right side
    8,130.03x = 26,916,282.47
  5. Step 5: Solve for x
    x = 26,916,282.47/8,130.03
  6. Step 6: Final answer
    x = 3,310.73

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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.