Home / 8,629.34-11,905.79-4,851.90

Finding the Fourth Proportional to 8,629.34, 11,905.79 and 4,851.90

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Solution

The fourth proportional to 8,629.34, 11,905.79 and 4,851.90 is: 6,694.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.34 : 11,905.79 = 4,851.90 : x
  2. Step 2: Convert to fraction form
    8,629.34/11,905.79 = 4,851.90/x
  3. Step 3: Cross multiply
    8,629.34x = 11,905.79 × 4,851.90
  4. Step 4: Simplify right side
    8,629.34x = 57,765,678.24
  5. Step 5: Solve for x
    x = 57,765,678.24/8,629.34
  6. Step 6: Final answer
    x = 6,694.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.