Home / 5,210.12-7,189.99-2,852.48

Finding the Fourth Proportional to 5,210.12, 7,189.99 and 2,852.48

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Solution

The fourth proportional to 5,210.12, 7,189.99 and 2,852.48 is: 3,936.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.12 : 7,189.99 = 2,852.48 : x
  2. Step 2: Convert to fraction form
    5,210.12/7,189.99 = 2,852.48/x
  3. Step 3: Cross multiply
    5,210.12x = 7,189.99 × 2,852.48
  4. Step 4: Simplify right side
    5,210.12x = 20,509,288.41
  5. Step 5: Solve for x
    x = 20,509,288.41/5,210.12
  6. Step 6: Final answer
    x = 3,936.43

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