Home / 4,922.80-7,391.76-3,085.60

Finding the Fourth Proportional to 4,922.80, 7,391.76 and 3,085.60

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Solution

The fourth proportional to 4,922.80, 7,391.76 and 3,085.60 is: 4,633.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,922.80 : 7,391.76 = 3,085.60 : x
  2. Step 2: Convert to fraction form
    4,922.80/7,391.76 = 3,085.60/x
  3. Step 3: Cross multiply
    4,922.80x = 7,391.76 × 3,085.60
  4. Step 4: Simplify right side
    4,922.80x = 22,808,014.66
  5. Step 5: Solve for x
    x = 22,808,014.66/4,922.80
  6. Step 6: Final answer
    x = 4,633.14

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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.