Home / 6,929.21-10,395.34-3,964.61

Finding the Fourth Proportional to 6,929.21, 10,395.34 and 3,964.61

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Solution

The fourth proportional to 6,929.21, 10,395.34 and 3,964.61 is: 5,947.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.21 : 10,395.34 = 3,964.61 : x
  2. Step 2: Convert to fraction form
    6,929.21/10,395.34 = 3,964.61/x
  3. Step 3: Cross multiply
    6,929.21x = 10,395.34 × 3,964.61
  4. Step 4: Simplify right side
    6,929.21x = 41,213,484.99
  5. Step 5: Solve for x
    x = 41,213,484.99/6,929.21
  6. Step 6: Final answer
    x = 5,947.79

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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.