Home / 4,830.60-7,242.30-2,641.80

Finding the Fourth Proportional to 4,830.60, 7,242.30 and 2,641.80

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Solution

The fourth proportional to 4,830.60, 7,242.30 and 2,641.80 is: 3,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.60 : 7,242.30 = 2,641.80 : x
  2. Step 2: Convert to fraction form
    4,830.60/7,242.30 = 2,641.80/x
  3. Step 3: Cross multiply
    4,830.60x = 7,242.30 × 2,641.80
  4. Step 4: Simplify right side
    4,830.60x = 19,132,708.14
  5. Step 5: Solve for x
    x = 19,132,708.14/4,830.60
  6. Step 6: Final answer
    x = 3,960.73

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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.