Home / 4,278.08-6,412.26-4,180.88

Finding the Fourth Proportional to 4,278.08, 6,412.26 and 4,180.88

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Solution

The fourth proportional to 4,278.08, 6,412.26 and 4,180.88 is: 6,266.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.08 : 6,412.26 = 4,180.88 : x
  2. Step 2: Convert to fraction form
    4,278.08/6,412.26 = 4,180.88/x
  3. Step 3: Cross multiply
    4,278.08x = 6,412.26 × 4,180.88
  4. Step 4: Simplify right side
    4,278.08x = 26,808,889.59
  5. Step 5: Solve for x
    x = 26,808,889.59/4,278.08
  6. Step 6: Final answer
    x = 6,266.57

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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.