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Finding the Fourth Proportional to 7,258.60, 10,866.30 and 6,394.60

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Solution

The fourth proportional to 7,258.60, 10,866.30 and 6,394.60 is: 9,572.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.60 : 10,866.30 = 6,394.60 : x
  2. Step 2: Convert to fraction form
    7,258.60/10,866.30 = 6,394.60/x
  3. Step 3: Cross multiply
    7,258.60x = 10,866.30 × 6,394.60
  4. Step 4: Simplify right side
    7,258.60x = 69,485,641.98
  5. Step 5: Solve for x
    x = 69,485,641.98/7,258.60
  6. Step 6: Final answer
    x = 9,572.87

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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.