Home / 7,841.09-11,759.19-3,160.91

Finding the Fourth Proportional to 7,841.09, 11,759.19 and 3,160.91

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Solution

The fourth proportional to 7,841.09, 11,759.19 and 3,160.91 is: 4,740.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841.09 : 11,759.19 = 3,160.91 : x
  2. Step 2: Convert to fraction form
    7,841.09/11,759.19 = 3,160.91/x
  3. Step 3: Cross multiply
    7,841.09x = 11,759.19 × 3,160.91
  4. Step 4: Simplify right side
    7,841.09x = 37,169,682.47
  5. Step 5: Solve for x
    x = 37,169,682.47/7,841.09
  6. Step 6: Final answer
    x = 4,740.37

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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.