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Finding the Fourth Proportional to 5,865.45, 8,799.50 and 1,969.75

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Solution

The fourth proportional to 5,865.45, 8,799.50 and 1,969.75 is: 2,955.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.45 : 8,799.50 = 1,969.75 : x
  2. Step 2: Convert to fraction form
    5,865.45/8,799.50 = 1,969.75/x
  3. Step 3: Cross multiply
    5,865.45x = 8,799.50 × 1,969.75
  4. Step 4: Simplify right side
    5,865.45x = 17,332,815.13
  5. Step 5: Solve for x
    x = 17,332,815.13/5,865.45
  6. Step 6: Final answer
    x = 2,955.07

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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.