Home / 5,254.37-7,884.61-1,969.75

Finding the Fourth Proportional to 5,254.37, 7,884.61 and 1,969.75

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Solution

The fourth proportional to 5,254.37, 7,884.61 and 1,969.75 is: 2,955.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.37 : 7,884.61 = 1,969.75 : x
  2. Step 2: Convert to fraction form
    5,254.37/7,884.61 = 1,969.75/x
  3. Step 3: Cross multiply
    5,254.37x = 7,884.61 × 1,969.75
  4. Step 4: Simplify right side
    5,254.37x = 15,530,715.48
  5. Step 5: Solve for x
    x = 15,530,715.48/5,254.37
  6. Step 6: Final answer
    x = 2,955.77

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Why These Related Problems?

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