Home / 6,943.75-10,402.53-3,429.64

Finding the Fourth Proportional to 6,943.75, 10,402.53 and 3,429.64

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Solution

The fourth proportional to 6,943.75, 10,402.53 and 3,429.64 is: 5,137.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943.75 : 10,402.53 = 3,429.64 : x
  2. Step 2: Convert to fraction form
    6,943.75/10,402.53 = 3,429.64/x
  3. Step 3: Cross multiply
    6,943.75x = 10,402.53 × 3,429.64
  4. Step 4: Simplify right side
    6,943.75x = 35,676,880.98
  5. Step 5: Solve for x
    x = 35,676,880.98/6,943.75
  6. Step 6: Final answer
    x = 5,137.99

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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.