Home / 8,571.08-12,857.54-2,726.32

Finding the Fourth Proportional to 8,571.08, 12,857.54 and 2,726.32

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Solution

The fourth proportional to 8,571.08, 12,857.54 and 2,726.32 is: 4,089.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,571.08 : 12,857.54 = 2,726.32 : x
  2. Step 2: Convert to fraction form
    8,571.08/12,857.54 = 2,726.32/x
  3. Step 3: Cross multiply
    8,571.08x = 12,857.54 × 2,726.32
  4. Step 4: Simplify right side
    8,571.08x = 35,053,722.68
  5. Step 5: Solve for x
    x = 35,053,722.68/8,571.08
  6. Step 6: Final answer
    x = 4,089.77

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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.