Home / 5,539.20-7,645.14-3,182.88

Finding the Fourth Proportional to 5,539.20, 7,645.14 and 3,182.88

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Solution

The fourth proportional to 5,539.20, 7,645.14 and 3,182.88 is: 4,392.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.20 : 7,645.14 = 3,182.88 : x
  2. Step 2: Convert to fraction form
    5,539.20/7,645.14 = 3,182.88/x
  3. Step 3: Cross multiply
    5,539.20x = 7,645.14 × 3,182.88
  4. Step 4: Simplify right side
    5,539.20x = 24,333,563.20
  5. Step 5: Solve for x
    x = 24,333,563.20/5,539.20
  6. Step 6: Final answer
    x = 4,392.97

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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.