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Finding the Fourth Proportional to 6,103.98, 9,155.96 and 1,720.87

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Solution

The fourth proportional to 6,103.98, 9,155.96 and 1,720.87 is: 2,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,103.98 : 9,155.96 = 1,720.87 : x
  2. Step 2: Convert to fraction form
    6,103.98/9,155.96 = 1,720.87/x
  3. Step 3: Cross multiply
    6,103.98x = 9,155.96 × 1,720.87
  4. Step 4: Simplify right side
    6,103.98x = 15,756,185.39
  5. Step 5: Solve for x
    x = 15,756,185.39/6,103.98
  6. Step 6: Final answer
    x = 2,581.30

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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.