Home / 6,687.85-10,028.13-5,310.04

Finding the Fourth Proportional to 6,687.85, 10,028.13 and 5,310.04

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Solution

The fourth proportional to 6,687.85, 10,028.13 and 5,310.04 is: 7,962.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.85 : 10,028.13 = 5,310.04 : x
  2. Step 2: Convert to fraction form
    6,687.85/10,028.13 = 5,310.04/x
  3. Step 3: Cross multiply
    6,687.85x = 10,028.13 × 5,310.04
  4. Step 4: Simplify right side
    6,687.85x = 53,249,771.43
  5. Step 5: Solve for x
    x = 53,249,771.43/6,687.85
  6. Step 6: Final answer
    x = 7,962.17

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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.