Home / 4,820.30-7,218.30-3,167.90

Finding the Fourth Proportional to 4,820.30, 7,218.30 and 3,167.90

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Solution

The fourth proportional to 4,820.30, 7,218.30 and 3,167.90 is: 4,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.30 : 7,218.30 = 3,167.90 : x
  2. Step 2: Convert to fraction form
    4,820.30/7,218.30 = 3,167.90/x
  3. Step 3: Cross multiply
    4,820.30x = 7,218.30 × 3,167.90
  4. Step 4: Simplify right side
    4,820.30x = 22,866,852.57
  5. Step 5: Solve for x
    x = 22,866,852.57/4,820.30
  6. Step 6: Final answer
    x = 4,743.87

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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.