Home / 7,675.18-11,497.70-3,979.82

Finding the Fourth Proportional to 7,675.18, 11,497.70 and 3,979.82

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Solution

The fourth proportional to 7,675.18, 11,497.70 and 3,979.82 is: 5,961.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.18 : 11,497.70 = 3,979.82 : x
  2. Step 2: Convert to fraction form
    7,675.18/11,497.70 = 3,979.82/x
  3. Step 3: Cross multiply
    7,675.18x = 11,497.70 × 3,979.82
  4. Step 4: Simplify right side
    7,675.18x = 45,758,815.11
  5. Step 5: Solve for x
    x = 45,758,815.11/7,675.18
  6. Step 6: Final answer
    x = 5,961.92

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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.