Home / 4,253.25-6,378.16-1,479.34

Finding the Fourth Proportional to 4,253.25, 6,378.16 and 1,479.34

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Solution

The fourth proportional to 4,253.25, 6,378.16 and 1,479.34 is: 2,218.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.25 : 6,378.16 = 1,479.34 : x
  2. Step 2: Convert to fraction form
    4,253.25/6,378.16 = 1,479.34/x
  3. Step 3: Cross multiply
    4,253.25x = 6,378.16 × 1,479.34
  4. Step 4: Simplify right side
    4,253.25x = 9,435,467.21
  5. Step 5: Solve for x
    x = 9,435,467.21/4,253.25
  6. Step 6: Final answer
    x = 2,218.41

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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.