Home / 7,676.94-11,506.16-3,285.12

Finding the Fourth Proportional to 7,676.94, 11,506.16 and 3,285.12

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Solution

The fourth proportional to 7,676.94, 11,506.16 and 3,285.12 is: 4,923.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676.94 : 11,506.16 = 3,285.12 : x
  2. Step 2: Convert to fraction form
    7,676.94/11,506.16 = 3,285.12/x
  3. Step 3: Cross multiply
    7,676.94x = 11,506.16 × 3,285.12
  4. Step 4: Simplify right side
    7,676.94x = 37,799,116.34
  5. Step 5: Solve for x
    x = 37,799,116.34/7,676.94
  6. Step 6: Final answer
    x = 4,923.72

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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.