Home / 8,809.02-13,208.76-3,872.88

Finding the Fourth Proportional to 8,809.02, 13,208.76 and 3,872.88

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Solution

The fourth proportional to 8,809.02, 13,208.76 and 3,872.88 is: 5,807.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.02 : 13,208.76 = 3,872.88 : x
  2. Step 2: Convert to fraction form
    8,809.02/13,208.76 = 3,872.88/x
  3. Step 3: Cross multiply
    8,809.02x = 13,208.76 × 3,872.88
  4. Step 4: Simplify right side
    8,809.02x = 51,155,942.43
  5. Step 5: Solve for x
    x = 51,155,942.43/8,809.02
  6. Step 6: Final answer
    x = 5,807.22

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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.