Home / 4,278.72-5,866.08-4,200.96

Finding the Fourth Proportional to 4,278.72, 5,866.08 and 4,200.96

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Solution

The fourth proportional to 4,278.72, 5,866.08 and 4,200.96 is: 5,759.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.72 : 5,866.08 = 4,200.96 : x
  2. Step 2: Convert to fraction form
    4,278.72/5,866.08 = 4,200.96/x
  3. Step 3: Cross multiply
    4,278.72x = 5,866.08 × 4,200.96
  4. Step 4: Simplify right side
    4,278.72x = 24,643,167.44
  5. Step 5: Solve for x
    x = 24,643,167.44/4,278.72
  6. Step 6: Final answer
    x = 5,759.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.