Home / 8,124.27-11,218.32-5,145.36

Finding the Fourth Proportional to 8,124.27, 11,218.32 and 5,145.36

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Solution

The fourth proportional to 8,124.27, 11,218.32 and 5,145.36 is: 7,104.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.27 : 11,218.32 = 5,145.36 : x
  2. Step 2: Convert to fraction form
    8,124.27/11,218.32 = 5,145.36/x
  3. Step 3: Cross multiply
    8,124.27x = 11,218.32 × 5,145.36
  4. Step 4: Simplify right side
    8,124.27x = 57,722,295.00
  5. Step 5: Solve for x
    x = 57,722,295.00/8,124.27
  6. Step 6: Final answer
    x = 7,104.92

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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.