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Finding the Fourth Proportional to 7,458.72, 10,293.84 and 4,665.12

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Solution

The fourth proportional to 7,458.72, 10,293.84 and 4,665.12 is: 6,438.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.72 : 10,293.84 = 4,665.12 : x
  2. Step 2: Convert to fraction form
    7,458.72/10,293.84 = 4,665.12/x
  3. Step 3: Cross multiply
    7,458.72x = 10,293.84 × 4,665.12
  4. Step 4: Simplify right side
    7,458.72x = 48,021,998.86
  5. Step 5: Solve for x
    x = 48,021,998.86/7,458.72
  6. Step 6: Final answer
    x = 6,438.37

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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.