Home / 4,973.85-7,456.37-3,220.20

Finding the Fourth Proportional to 4,973.85, 7,456.37 and 3,220.20

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Solution

The fourth proportional to 4,973.85, 7,456.37 and 3,220.20 is: 4,827.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973.85 : 7,456.37 = 3,220.20 : x
  2. Step 2: Convert to fraction form
    4,973.85/7,456.37 = 3,220.20/x
  3. Step 3: Cross multiply
    4,973.85x = 7,456.37 × 3,220.20
  4. Step 4: Simplify right side
    4,973.85x = 24,010,986.57
  5. Step 5: Solve for x
    x = 24,010,986.57/4,973.85
  6. Step 6: Final answer
    x = 4,827.44

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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.