Home / 8,652.36-12,977.32-2,809.04

Finding the Fourth Proportional to 8,652.36, 12,977.32 and 2,809.04

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Solution

The fourth proportional to 8,652.36, 12,977.32 and 2,809.04 is: 4,213.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.36 : 12,977.32 = 2,809.04 : x
  2. Step 2: Convert to fraction form
    8,652.36/12,977.32 = 2,809.04/x
  3. Step 3: Cross multiply
    8,652.36x = 12,977.32 × 2,809.04
  4. Step 4: Simplify right side
    8,652.36x = 36,453,810.97
  5. Step 5: Solve for x
    x = 36,453,810.97/8,652.36
  6. Step 6: Final answer
    x = 4,213.16

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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.