Home / 6,912.72-10,373.40-2,808.72

Finding the Fourth Proportional to 6,912.72, 10,373.40 and 2,808.72

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Solution

The fourth proportional to 6,912.72, 10,373.40 and 2,808.72 is: 4,214.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.72 : 10,373.40 = 2,808.72 : x
  2. Step 2: Convert to fraction form
    6,912.72/10,373.40 = 2,808.72/x
  3. Step 3: Cross multiply
    6,912.72x = 10,373.40 × 2,808.72
  4. Step 4: Simplify right side
    6,912.72x = 29,135,976.05
  5. Step 5: Solve for x
    x = 29,135,976.05/6,912.72
  6. Step 6: Final answer
    x = 4,214.84

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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.