Home / 7,991.69-11,029.57-5,760.95

Finding the Fourth Proportional to 7,991.69, 11,029.57 and 5,760.95

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Solution

The fourth proportional to 7,991.69, 11,029.57 and 5,760.95 is: 7,950.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991.69 : 11,029.57 = 5,760.95 : x
  2. Step 2: Convert to fraction form
    7,991.69/11,029.57 = 5,760.95/x
  3. Step 3: Cross multiply
    7,991.69x = 11,029.57 × 5,760.95
  4. Step 4: Simplify right side
    7,991.69x = 63,540,731.74
  5. Step 5: Solve for x
    x = 63,540,731.74/7,991.69
  6. Step 6: Final answer
    x = 7,950.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.