Home / 5,077.75-7,618.91-3,228.39

Finding the Fourth Proportional to 5,077.75, 7,618.91 and 3,228.39

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Solution

The fourth proportional to 5,077.75, 7,618.91 and 3,228.39 is: 4,844.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.75 : 7,618.91 = 3,228.39 : x
  2. Step 2: Convert to fraction form
    5,077.75/7,618.91 = 3,228.39/x
  3. Step 3: Cross multiply
    5,077.75x = 7,618.91 × 3,228.39
  4. Step 4: Simplify right side
    5,077.75x = 24,596,812.85
  5. Step 5: Solve for x
    x = 24,596,812.85/5,077.75
  6. Step 6: Final answer
    x = 4,844.04

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1.5x scale

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.