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Finding the Fourth Proportional to 7,917.54, 10,925.67 and 4,380.54

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Solution

The fourth proportional to 7,917.54, 10,925.67 and 4,380.54 is: 6,044.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.54 : 10,925.67 = 4,380.54 : x
  2. Step 2: Convert to fraction form
    7,917.54/10,925.67 = 4,380.54/x
  3. Step 3: Cross multiply
    7,917.54x = 10,925.67 × 4,380.54
  4. Step 4: Simplify right side
    7,917.54x = 47,860,334.46
  5. Step 5: Solve for x
    x = 47,860,334.46/7,917.54
  6. Step 6: Final answer
    x = 6,044.85

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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.