Home / 4,539.90-6,264.72-2,550.78

Finding the Fourth Proportional to 4,539.90, 6,264.72 and 2,550.78

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Solution

The fourth proportional to 4,539.90, 6,264.72 and 2,550.78 is: 3,519.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,539.90 : 6,264.72 = 2,550.78 : x
  2. Step 2: Convert to fraction form
    4,539.90/6,264.72 = 2,550.78/x
  3. Step 3: Cross multiply
    4,539.90x = 6,264.72 × 2,550.78
  4. Step 4: Simplify right side
    4,539.90x = 15,979,945.97
  5. Step 5: Solve for x
    x = 15,979,945.97/4,539.90
  6. Step 6: Final answer
    x = 3,519.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.