Home / 7,311.08-10,965.64-4,180.92

Finding the Fourth Proportional to 7,311.08, 10,965.64 and 4,180.92

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Solution

The fourth proportional to 7,311.08, 10,965.64 and 4,180.92 is: 6,270.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.08 : 10,965.64 = 4,180.92 : x
  2. Step 2: Convert to fraction form
    7,311.08/10,965.64 = 4,180.92/x
  3. Step 3: Cross multiply
    7,311.08x = 10,965.64 × 4,180.92
  4. Step 4: Simplify right side
    7,311.08x = 45,846,463.59
  5. Step 5: Solve for x
    x = 45,846,463.59/7,311.08
  6. Step 6: Final answer
    x = 6,270.82

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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.