Home / 4,825.80-7,243.16-2,980.53

Finding the Fourth Proportional to 4,825.80, 7,243.16 and 2,980.53

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Solution

The fourth proportional to 4,825.80, 7,243.16 and 2,980.53 is: 4,473.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,825.80 : 7,243.16 = 2,980.53 : x
  2. Step 2: Convert to fraction form
    4,825.80/7,243.16 = 2,980.53/x
  3. Step 3: Cross multiply
    4,825.80x = 7,243.16 × 2,980.53
  4. Step 4: Simplify right side
    4,825.80x = 21,588,440.77
  5. Step 5: Solve for x
    x = 21,588,440.77/4,825.80
  6. Step 6: Final answer
    x = 4,473.55

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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.