Home / 6,072.72-9,109.08-1,690.29

Finding the Fourth Proportional to 6,072.72, 9,109.08 and 1,690.29

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Solution

The fourth proportional to 6,072.72, 9,109.08 and 1,690.29 is: 2,535.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,072.72 : 9,109.08 = 1,690.29 : x
  2. Step 2: Convert to fraction form
    6,072.72/9,109.08 = 1,690.29/x
  3. Step 3: Cross multiply
    6,072.72x = 9,109.08 × 1,690.29
  4. Step 4: Simplify right side
    6,072.72x = 15,396,982.61
  5. Step 5: Solve for x
    x = 15,396,982.61/6,072.72
  6. Step 6: Final answer
    x = 2,535.43

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Half scale
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Double scale
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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.