Home / 6,898.10-9,519.26-3,914.53

Finding the Fourth Proportional to 6,898.10, 9,519.26 and 3,914.53

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Solution

The fourth proportional to 6,898.10, 9,519.26 and 3,914.53 is: 5,401.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898.10 : 9,519.26 = 3,914.53 : x
  2. Step 2: Convert to fraction form
    6,898.10/9,519.26 = 3,914.53/x
  3. Step 3: Cross multiply
    6,898.10x = 9,519.26 × 3,914.53
  4. Step 4: Simplify right side
    6,898.10x = 37,263,428.85
  5. Step 5: Solve for x
    x = 37,263,428.85/6,898.10
  6. Step 6: Final answer
    x = 5,401.98

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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.