Home / 5,422.45-8,130.25-3,046.76

Finding the Fourth Proportional to 5,422.45, 8,130.25 and 3,046.76

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Solution

The fourth proportional to 5,422.45, 8,130.25 and 3,046.76 is: 4,568.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.45 : 8,130.25 = 3,046.76 : x
  2. Step 2: Convert to fraction form
    5,422.45/8,130.25 = 3,046.76/x
  3. Step 3: Cross multiply
    5,422.45x = 8,130.25 × 3,046.76
  4. Step 4: Simplify right side
    5,422.45x = 24,770,864.60
  5. Step 5: Solve for x
    x = 24,770,864.60/5,422.45
  6. Step 6: Final answer
    x = 4,568.21

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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.