Home / 5,120.91-7,674.71-4,459.95

Finding the Fourth Proportional to 5,120.91, 7,674.71 and 4,459.95

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Solution

The fourth proportional to 5,120.91, 7,674.71 and 4,459.95 is: 6,684.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120.91 : 7,674.71 = 4,459.95 : x
  2. Step 2: Convert to fraction form
    5,120.91/7,674.71 = 4,459.95/x
  3. Step 3: Cross multiply
    5,120.91x = 7,674.71 × 4,459.95
  4. Step 4: Simplify right side
    5,120.91x = 34,228,800.56
  5. Step 5: Solve for x
    x = 34,228,800.56/5,120.91
  6. Step 6: Final answer
    x = 6,684.12

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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.