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Finding the Fourth Proportional to 5,872.50, 8,808.75 and 1,976.91

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Solution

The fourth proportional to 5,872.50, 8,808.75 and 1,976.91 is: 2,965.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.50 : 8,808.75 = 1,976.91 : x
  2. Step 2: Convert to fraction form
    5,872.50/8,808.75 = 1,976.91/x
  3. Step 3: Cross multiply
    5,872.50x = 8,808.75 × 1,976.91
  4. Step 4: Simplify right side
    5,872.50x = 17,414,072.93
  5. Step 5: Solve for x
    x = 17,414,072.93/5,872.50
  6. Step 6: Final answer
    x = 2,965.36

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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.