Home / 5,538.72-8,308.08-1,643.04

Finding the Fourth Proportional to 5,538.72, 8,308.08 and 1,643.04

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Solution

The fourth proportional to 5,538.72, 8,308.08 and 1,643.04 is: 2,464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.72 : 8,308.08 = 1,643.04 : x
  2. Step 2: Convert to fraction form
    5,538.72/8,308.08 = 1,643.04/x
  3. Step 3: Cross multiply
    5,538.72x = 8,308.08 × 1,643.04
  4. Step 4: Simplify right side
    5,538.72x = 13,650,507.76
  5. Step 5: Solve for x
    x = 13,650,507.76/5,538.72
  6. Step 6: Final answer
    x = 2,464.56

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Similar ratio
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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.