Home / 5,592.80-7,728.72-4,193.12

Finding the Fourth Proportional to 5,592.80, 7,728.72 and 4,193.12

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Solution

The fourth proportional to 5,592.80, 7,728.72 and 4,193.12 is: 5,794.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,592.80 : 7,728.72 = 4,193.12 : x
  2. Step 2: Convert to fraction form
    5,592.80/7,728.72 = 4,193.12/x
  3. Step 3: Cross multiply
    5,592.80x = 7,728.72 × 4,193.12
  4. Step 4: Simplify right side
    5,592.80x = 32,407,450.41
  5. Step 5: Solve for x
    x = 32,407,450.41/5,592.80
  6. Step 6: Final answer
    x = 5,794.49

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.