Home / 4,253.56-6,378.82-1,479.56

Finding the Fourth Proportional to 4,253.56, 6,378.82 and 1,479.56

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Solution

The fourth proportional to 4,253.56, 6,378.82 and 1,479.56 is: 2,218.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.56 : 6,378.82 = 1,479.56 : x
  2. Step 2: Convert to fraction form
    4,253.56/6,378.82 = 1,479.56/x
  3. Step 3: Cross multiply
    4,253.56x = 6,378.82 × 1,479.56
  4. Step 4: Simplify right side
    4,253.56x = 9,437,846.92
  5. Step 5: Solve for x
    x = 9,437,846.92/4,253.56
  6. Step 6: Final answer
    x = 2,218.81

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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.