Home / 8,504.32-12,756.48-2,661.28

Finding the Fourth Proportional to 8,504.32, 12,756.48 and 2,661.28

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Solution

The fourth proportional to 8,504.32, 12,756.48 and 2,661.28 is: 3,991.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504.32 : 12,756.48 = 2,661.28 : x
  2. Step 2: Convert to fraction form
    8,504.32/12,756.48 = 2,661.28/x
  3. Step 3: Cross multiply
    8,504.32x = 12,756.48 × 2,661.28
  4. Step 4: Simplify right side
    8,504.32x = 33,948,565.09
  5. Step 5: Solve for x
    x = 33,948,565.09/8,504.32
  6. Step 6: Final answer
    x = 3,991.92

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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.