Home / 7,265.48-10,896.77-1,999.13

Finding the Fourth Proportional to 7,265.48, 10,896.77 and 1,999.13

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Solution

The fourth proportional to 7,265.48, 10,896.77 and 1,999.13 is: 2,998.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.48 : 10,896.77 = 1,999.13 : x
  2. Step 2: Convert to fraction form
    7,265.48/10,896.77 = 1,999.13/x
  3. Step 3: Cross multiply
    7,265.48x = 10,896.77 × 1,999.13
  4. Step 4: Simplify right side
    7,265.48x = 21,784,005.33
  5. Step 5: Solve for x
    x = 21,784,005.33/7,265.48
  6. Step 6: Final answer
    x = 2,998.29

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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.