Home / 8,754.90-13,127.79-3,208.02

Finding the Fourth Proportional to 8,754.90, 13,127.79 and 3,208.02

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Solution

The fourth proportional to 8,754.90, 13,127.79 and 3,208.02 is: 4,810.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.90 : 13,127.79 = 3,208.02 : x
  2. Step 2: Convert to fraction form
    8,754.90/13,127.79 = 3,208.02/x
  3. Step 3: Cross multiply
    8,754.90x = 13,127.79 × 3,208.02
  4. Step 4: Simplify right side
    8,754.90x = 42,114,212.88
  5. Step 5: Solve for x
    x = 42,114,212.88/8,754.90
  6. Step 6: Final answer
    x = 4,810.36

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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.