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Finding the Fourth Proportional to 7,530.81, 10,393.12 and 4,173.92

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Solution

The fourth proportional to 7,530.81, 10,393.12 and 4,173.92 is: 5,760.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.81 : 10,393.12 = 4,173.92 : x
  2. Step 2: Convert to fraction form
    7,530.81/10,393.12 = 4,173.92/x
  3. Step 3: Cross multiply
    7,530.81x = 10,393.12 × 4,173.92
  4. Step 4: Simplify right side
    7,530.81x = 43,380,051.43
  5. Step 5: Solve for x
    x = 43,380,051.43/7,530.81
  6. Step 6: Final answer
    x = 5,760.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.