Home / 6,466.28-9,700.38-3,178.92

Finding the Fourth Proportional to 6,466.28, 9,700.38 and 3,178.92

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Solution

The fourth proportional to 6,466.28, 9,700.38 and 3,178.92 is: 4,768.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,466.28 : 9,700.38 = 3,178.92 : x
  2. Step 2: Convert to fraction form
    6,466.28/9,700.38 = 3,178.92/x
  3. Step 3: Cross multiply
    6,466.28x = 9,700.38 × 3,178.92
  4. Step 4: Simplify right side
    6,466.28x = 30,836,731.99
  5. Step 5: Solve for x
    x = 30,836,731.99/6,466.28
  6. Step 6: Final answer
    x = 4,768.85

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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.