Home / 5,243.24-7,235.84-2,885.56

Finding the Fourth Proportional to 5,243.24, 7,235.84 and 2,885.56

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Solution

The fourth proportional to 5,243.24, 7,235.84 and 2,885.56 is: 3,982.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.24 : 7,235.84 = 2,885.56 : x
  2. Step 2: Convert to fraction form
    5,243.24/7,235.84 = 2,885.56/x
  3. Step 3: Cross multiply
    5,243.24x = 7,235.84 × 2,885.56
  4. Step 4: Simplify right side
    5,243.24x = 20,879,450.47
  5. Step 5: Solve for x
    x = 20,879,450.47/5,243.24
  6. Step 6: Final answer
    x = 3,982.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.