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Finding the Fourth Proportional to 7,950.13, 11,925.19 and 2,756

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Solution

The fourth proportional to 7,950.13, 11,925.19 and 2,756 is: 4,134.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.13 : 11,925.19 = 2,756 : x
  2. Step 2: Convert to fraction form
    7,950.13/11,925.19 = 2,756/x
  3. Step 3: Cross multiply
    7,950.13x = 11,925.19 × 2,756
  4. Step 4: Simplify right side
    7,950.13x = 32,865,823.64
  5. Step 5: Solve for x
    x = 32,865,823.64/7,950.13
  6. Step 6: Final answer
    x = 4,134.00

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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.