Home / 5,539.11-8,308.58-2,619.51

Finding the Fourth Proportional to 5,539.11, 8,308.58 and 2,619.51

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Solution

The fourth proportional to 5,539.11, 8,308.58 and 2,619.51 is: 3,929.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.11 : 8,308.58 = 2,619.51 : x
  2. Step 2: Convert to fraction form
    5,539.11/8,308.58 = 2,619.51/x
  3. Step 3: Cross multiply
    5,539.11x = 8,308.58 × 2,619.51
  4. Step 4: Simplify right side
    5,539.11x = 21,764,395.30
  5. Step 5: Solve for x
    x = 21,764,395.30/5,539.11
  6. Step 6: Final answer
    x = 3,929.22

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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.