Home / 5,629.88-8,435.59-1,930.12

Finding the Fourth Proportional to 5,629.88, 8,435.59 and 1,930.12

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Solution

The fourth proportional to 5,629.88, 8,435.59 and 1,930.12 is: 2,892.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.88 : 8,435.59 = 1,930.12 : x
  2. Step 2: Convert to fraction form
    5,629.88/8,435.59 = 1,930.12/x
  3. Step 3: Cross multiply
    5,629.88x = 8,435.59 × 1,930.12
  4. Step 4: Simplify right side
    5,629.88x = 16,281,700.97
  5. Step 5: Solve for x
    x = 16,281,700.97/5,629.88
  6. Step 6: Final answer
    x = 2,892.02

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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.