Home / 4,991.90-7,486.16-2,525.18

Finding the Fourth Proportional to 4,991.90, 7,486.16 and 2,525.18

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Solution

The fourth proportional to 4,991.90, 7,486.16 and 2,525.18 is: 3,786.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.90 : 7,486.16 = 2,525.18 : x
  2. Step 2: Convert to fraction form
    4,991.90/7,486.16 = 2,525.18/x
  3. Step 3: Cross multiply
    4,991.90x = 7,486.16 × 2,525.18
  4. Step 4: Simplify right side
    4,991.90x = 18,903,851.45
  5. Step 5: Solve for x
    x = 18,903,851.45/4,991.90
  6. Step 6: Final answer
    x = 3,786.91

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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.