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Finding the Fourth Proportional to 7,750.52, 10,683.60 and 6,340.04

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Solution

The fourth proportional to 7,750.52, 10,683.60 and 6,340.04 is: 8,739.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.52 : 10,683.60 = 6,340.04 : x
  2. Step 2: Convert to fraction form
    7,750.52/10,683.60 = 6,340.04/x
  3. Step 3: Cross multiply
    7,750.52x = 10,683.60 × 6,340.04
  4. Step 4: Simplify right side
    7,750.52x = 67,734,451.34
  5. Step 5: Solve for x
    x = 67,734,451.34/7,750.52
  6. Step 6: Final answer
    x = 8,739.34

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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.