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Finding the Fourth Proportional to 8,952.80, 13,433.80 and 6,774.88

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Solution

The fourth proportional to 8,952.80, 13,433.80 and 6,774.88 is: 10,165.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952.80 : 13,433.80 = 6,774.88 : x
  2. Step 2: Convert to fraction form
    8,952.80/13,433.80 = 6,774.88/x
  3. Step 3: Cross multiply
    8,952.80x = 13,433.80 × 6,774.88
  4. Step 4: Simplify right side
    8,952.80x = 91,012,382.94
  5. Step 5: Solve for x
    x = 91,012,382.94/8,952.80
  6. Step 6: Final answer
    x = 10,165.80

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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.