Home / 4,938.80-6,812.38-3,050.96

Finding the Fourth Proportional to 4,938.80, 6,812.38 and 3,050.96

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Solution

The fourth proportional to 4,938.80, 6,812.38 and 3,050.96 is: 4,208.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.80 : 6,812.38 = 3,050.96 : x
  2. Step 2: Convert to fraction form
    4,938.80/6,812.38 = 3,050.96/x
  3. Step 3: Cross multiply
    4,938.80x = 6,812.38 × 3,050.96
  4. Step 4: Simplify right side
    4,938.80x = 20,784,298.88
  5. Step 5: Solve for x
    x = 20,784,298.88/4,938.80
  6. Step 6: Final answer
    x = 4,208.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.