Home / 5,084.67-7,628.13-1,621.92

Finding the Fourth Proportional to 5,084.67, 7,628.13 and 1,621.92

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Solution

The fourth proportional to 5,084.67, 7,628.13 and 1,621.92 is: 2,433.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.67 : 7,628.13 = 1,621.92 : x
  2. Step 2: Convert to fraction form
    5,084.67/7,628.13 = 1,621.92/x
  3. Step 3: Cross multiply
    5,084.67x = 7,628.13 × 1,621.92
  4. Step 4: Simplify right side
    5,084.67x = 12,372,216.61
  5. Step 5: Solve for x
    x = 12,372,216.61/5,084.67
  6. Step 6: Final answer
    x = 2,433.24

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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.