Home / 5,538.87-8,308.29-1,642.95

Finding the Fourth Proportional to 5,538.87, 8,308.29 and 1,642.95

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Solution

The fourth proportional to 5,538.87, 8,308.29 and 1,642.95 is: 2,464.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.87 : 8,308.29 = 1,642.95 : x
  2. Step 2: Convert to fraction form
    5,538.87/8,308.29 = 1,642.95/x
  3. Step 3: Cross multiply
    5,538.87x = 8,308.29 × 1,642.95
  4. Step 4: Simplify right side
    5,538.87x = 13,650,105.06
  5. Step 5: Solve for x
    x = 13,650,105.06/5,538.87
  6. Step 6: Final answer
    x = 2,464.42

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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.