Home / 6,910.08-10,358.40-3,436.80

Finding the Fourth Proportional to 6,910.08, 10,358.40 and 3,436.80

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Solution

The fourth proportional to 6,910.08, 10,358.40 and 3,436.80 is: 5,151.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,910.08 : 10,358.40 = 3,436.80 : x
  2. Step 2: Convert to fraction form
    6,910.08/10,358.40 = 3,436.80/x
  3. Step 3: Cross multiply
    6,910.08x = 10,358.40 × 3,436.80
  4. Step 4: Simplify right side
    6,910.08x = 35,599,749.12
  5. Step 5: Solve for x
    x = 35,599,749.12/6,910.08
  6. Step 6: Final answer
    x = 5,151.86

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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.