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Finding the Fourth Proportional to 5,393.44, 7,443.19 and 3,035.73

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Solution

The fourth proportional to 5,393.44, 7,443.19 and 3,035.73 is: 4,189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.44 : 7,443.19 = 3,035.73 : x
  2. Step 2: Convert to fraction form
    5,393.44/7,443.19 = 3,035.73/x
  3. Step 3: Cross multiply
    5,393.44x = 7,443.19 × 3,035.73
  4. Step 4: Simplify right side
    5,393.44x = 22,595,526.20
  5. Step 5: Solve for x
    x = 22,595,526.20/5,393.44
  6. Step 6: Final answer
    x = 4,189.45

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Half scale
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Double scale
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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.