Home / 4,943.40-7,403.10-2,629.80

Finding the Fourth Proportional to 4,943.40, 7,403.10 and 2,629.80

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Solution

The fourth proportional to 4,943.40, 7,403.10 and 2,629.80 is: 3,938.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.40 : 7,403.10 = 2,629.80 : x
  2. Step 2: Convert to fraction form
    4,943.40/7,403.10 = 2,629.80/x
  3. Step 3: Cross multiply
    4,943.40x = 7,403.10 × 2,629.80
  4. Step 4: Simplify right side
    4,943.40x = 19,468,672.38
  5. Step 5: Solve for x
    x = 19,468,672.38/4,943.40
  6. Step 6: Final answer
    x = 3,938.32

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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.