Home / 4,938.30-6,814.94-2,949.03

Finding the Fourth Proportional to 4,938.30, 6,814.94 and 2,949.03

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Solution

The fourth proportional to 4,938.30, 6,814.94 and 2,949.03 is: 4,069.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.30 : 6,814.94 = 2,949.03 : x
  2. Step 2: Convert to fraction form
    4,938.30/6,814.94 = 2,949.03/x
  3. Step 3: Cross multiply
    4,938.30x = 6,814.94 × 2,949.03
  4. Step 4: Simplify right side
    4,938.30x = 20,097,462.51
  5. Step 5: Solve for x
    x = 20,097,462.51/4,938.30
  6. Step 6: Final answer
    x = 4,069.71

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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.