Home / 6,912.28-10,325.66-6,217.84

Finding the Fourth Proportional to 6,912.28, 10,325.66 and 6,217.84

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Solution

The fourth proportional to 6,912.28, 10,325.66 and 6,217.84 is: 9,288.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.28 : 10,325.66 = 6,217.84 : x
  2. Step 2: Convert to fraction form
    6,912.28/10,325.66 = 6,217.84/x
  3. Step 3: Cross multiply
    6,912.28x = 10,325.66 × 6,217.84
  4. Step 4: Simplify right side
    6,912.28x = 64,203,301.77
  5. Step 5: Solve for x
    x = 64,203,301.77/6,912.28
  6. Step 6: Final answer
    x = 9,288.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.