Home / 8,789.45-13,171.65-6,805.82

Finding the Fourth Proportional to 8,789.45, 13,171.65 and 6,805.82

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Solution

The fourth proportional to 8,789.45, 13,171.65 and 6,805.82 is: 10,199.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.45 : 13,171.65 = 6,805.82 : x
  2. Step 2: Convert to fraction form
    8,789.45/13,171.65 = 6,805.82/x
  3. Step 3: Cross multiply
    8,789.45x = 13,171.65 × 6,805.82
  4. Step 4: Simplify right side
    8,789.45x = 89,643,813.14
  5. Step 5: Solve for x
    x = 89,643,813.14/8,789.45
  6. Step 6: Final answer
    x = 10,199.03

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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.