Home / 4,298.28-6,437.82-1,982.76

Finding the Fourth Proportional to 4,298.28, 6,437.82 and 1,982.76

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Solution

The fourth proportional to 4,298.28, 6,437.82 and 1,982.76 is: 2,969.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,298.28 : 6,437.82 = 1,982.76 : x
  2. Step 2: Convert to fraction form
    4,298.28/6,437.82 = 1,982.76/x
  3. Step 3: Cross multiply
    4,298.28x = 6,437.82 × 1,982.76
  4. Step 4: Simplify right side
    4,298.28x = 12,764,651.98
  5. Step 5: Solve for x
    x = 12,764,651.98/4,298.28
  6. Step 6: Final answer
    x = 2,969.71

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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.