Home / 6,340.11-9,507.80-2,178.94

Finding the Fourth Proportional to 6,340.11, 9,507.80 and 2,178.94

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Solution

The fourth proportional to 6,340.11, 9,507.80 and 2,178.94 is: 3,267.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.11 : 9,507.80 = 2,178.94 : x
  2. Step 2: Convert to fraction form
    6,340.11/9,507.80 = 2,178.94/x
  3. Step 3: Cross multiply
    6,340.11x = 9,507.80 × 2,178.94
  4. Step 4: Simplify right side
    6,340.11x = 20,716,867.30
  5. Step 5: Solve for x
    x = 20,716,867.30/6,340.11
  6. Step 6: Final answer
    x = 3,267.59

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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.