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Finding the Fourth Proportional to 7,293.60, 10,940.40 and 5,117.67

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Solution

The fourth proportional to 7,293.60, 10,940.40 and 5,117.67 is: 7,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,293.60 : 10,940.40 = 5,117.67 : x
  2. Step 2: Convert to fraction form
    7,293.60/10,940.40 = 5,117.67/x
  3. Step 3: Cross multiply
    7,293.60x = 10,940.40 × 5,117.67
  4. Step 4: Simplify right side
    7,293.60x = 55,989,356.87
  5. Step 5: Solve for x
    x = 55,989,356.87/7,293.60
  6. Step 6: Final answer
    x = 7,676.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.