Home / 5,622.16-8,435.12-3,539.72

Finding the Fourth Proportional to 5,622.16, 8,435.12 and 3,539.72

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Solution

The fourth proportional to 5,622.16, 8,435.12 and 3,539.72 is: 5,310.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.16 : 8,435.12 = 3,539.72 : x
  2. Step 2: Convert to fraction form
    5,622.16/8,435.12 = 3,539.72/x
  3. Step 3: Cross multiply
    5,622.16x = 8,435.12 × 3,539.72
  4. Step 4: Simplify right side
    5,622.16x = 29,857,962.97
  5. Step 5: Solve for x
    x = 29,857,962.97/5,622.16
  6. Step 6: Final answer
    x = 5,310.76

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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.