Home / 6,894.87-10,329.34-3,423.75

Finding the Fourth Proportional to 6,894.87, 10,329.34 and 3,423.75

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Solution

The fourth proportional to 6,894.87, 10,329.34 and 3,423.75 is: 5,129.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,894.87 : 10,329.34 = 3,423.75 : x
  2. Step 2: Convert to fraction form
    6,894.87/10,329.34 = 3,423.75/x
  3. Step 3: Cross multiply
    6,894.87x = 10,329.34 × 3,423.75
  4. Step 4: Simplify right side
    6,894.87x = 35,365,077.83
  5. Step 5: Solve for x
    x = 35,365,077.83/6,894.87
  6. Step 6: Final answer
    x = 5,129.19

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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.