Home / 6,910.17-10,358.12-3,209.39

Finding the Fourth Proportional to 6,910.17, 10,358.12 and 3,209.39

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Solution

The fourth proportional to 6,910.17, 10,358.12 and 3,209.39 is: 4,810.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,910.17 : 10,358.12 = 3,209.39 : x
  2. Step 2: Convert to fraction form
    6,910.17/10,358.12 = 3,209.39/x
  3. Step 3: Cross multiply
    6,910.17x = 10,358.12 × 3,209.39
  4. Step 4: Simplify right side
    6,910.17x = 33,243,178.91
  5. Step 5: Solve for x
    x = 33,243,178.91/6,910.17
  6. Step 6: Final answer
    x = 4,810.76

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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.