Home / 7,104.11-10,640.97-6,898.77

Finding the Fourth Proportional to 7,104.11, 10,640.97 and 6,898.77

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Solution

The fourth proportional to 7,104.11, 10,640.97 and 6,898.77 is: 10,333.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.11 : 10,640.97 = 6,898.77 : x
  2. Step 2: Convert to fraction form
    7,104.11/10,640.97 = 6,898.77/x
  3. Step 3: Cross multiply
    7,104.11x = 10,640.97 × 6,898.77
  4. Step 4: Simplify right side
    7,104.11x = 73,409,604.61
  5. Step 5: Solve for x
    x = 73,409,604.61/7,104.11
  6. Step 6: Final answer
    x = 10,333.41

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1.5x scale

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.