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Finding the Fourth Proportional to 7,676.46, 11,506.24 and 2,995.61

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Solution

The fourth proportional to 7,676.46, 11,506.24 and 2,995.61 is: 4,490.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676.46 : 11,506.24 = 2,995.61 : x
  2. Step 2: Convert to fraction form
    7,676.46/11,506.24 = 2,995.61/x
  3. Step 3: Cross multiply
    7,676.46x = 11,506.24 × 2,995.61
  4. Step 4: Simplify right side
    7,676.46x = 34,468,156.97
  5. Step 5: Solve for x
    x = 34,468,156.97/7,676.46
  6. Step 6: Final answer
    x = 4,490.11

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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.