Home / 6,440.28-9,660.22-2,057.64

Finding the Fourth Proportional to 6,440.28, 9,660.22 and 2,057.64

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Solution

The fourth proportional to 6,440.28, 9,660.22 and 2,057.64 is: 3,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.28 : 9,660.22 = 2,057.64 : x
  2. Step 2: Convert to fraction form
    6,440.28/9,660.22 = 2,057.64/x
  3. Step 3: Cross multiply
    6,440.28x = 9,660.22 × 2,057.64
  4. Step 4: Simplify right side
    6,440.28x = 19,877,255.08
  5. Step 5: Solve for x
    x = 19,877,255.08/6,440.28
  6. Step 6: Final answer
    x = 3,086.40

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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.