Home / 8,326.08-12,489.59-3,132.00

Finding the Fourth Proportional to 8,326.08, 12,489.59 and 3,132.00

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Solution

The fourth proportional to 8,326.08, 12,489.59 and 3,132.00 is: 4,698.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.08 : 12,489.59 = 3,132.00 : x
  2. Step 2: Convert to fraction form
    8,326.08/12,489.59 = 3,132.00/x
  3. Step 3: Cross multiply
    8,326.08x = 12,489.59 × 3,132.00
  4. Step 4: Simplify right side
    8,326.08x = 39,117,333.43
  5. Step 5: Solve for x
    x = 39,117,333.43/8,326.08
  6. Step 6: Final answer
    x = 4,698.17

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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.