Home / 7,705.16-11,555.41-4,005.36

Finding the Fourth Proportional to 7,705.16, 11,555.41 and 4,005.36

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Solution

The fourth proportional to 7,705.16, 11,555.41 and 4,005.36 is: 6,006.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705.16 : 11,555.41 = 4,005.36 : x
  2. Step 2: Convert to fraction form
    7,705.16/11,555.41 = 4,005.36/x
  3. Step 3: Cross multiply
    7,705.16x = 11,555.41 × 4,005.36
  4. Step 4: Simplify right side
    7,705.16x = 46,283,556.97
  5. Step 5: Solve for x
    x = 46,283,556.97/7,705.16
  6. Step 6: Final answer
    x = 6,006.83

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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.