Home / 4,936.80-7,403.40-2,470.80

Finding the Fourth Proportional to 4,936.80, 7,403.40 and 2,470.80

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Solution

The fourth proportional to 4,936.80, 7,403.40 and 2,470.80 is: 3,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.80 : 7,403.40 = 2,470.80 : x
  2. Step 2: Convert to fraction form
    4,936.80/7,403.40 = 2,470.80/x
  3. Step 3: Cross multiply
    4,936.80x = 7,403.40 × 2,470.80
  4. Step 4: Simplify right side
    4,936.80x = 18,292,320.72
  5. Step 5: Solve for x
    x = 18,292,320.72/4,936.80
  6. Step 6: Final answer
    x = 3,705.30

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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.