Home / 4,185.12-6,282.88-3,572.72

Finding the Fourth Proportional to 4,185.12, 6,282.88 and 3,572.72

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Solution

The fourth proportional to 4,185.12, 6,282.88 and 3,572.72 is: 5,363.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.12 : 6,282.88 = 3,572.72 : x
  2. Step 2: Convert to fraction form
    4,185.12/6,282.88 = 3,572.72/x
  3. Step 3: Cross multiply
    4,185.12x = 6,282.88 × 3,572.72
  4. Step 4: Simplify right side
    4,185.12x = 22,446,971.03
  5. Step 5: Solve for x
    x = 22,446,971.03/4,185.12
  6. Step 6: Final answer
    x = 5,363.52

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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.