Home / 5,244.20-7,863.60-1,955.60

Finding the Fourth Proportional to 5,244.20, 7,863.60 and 1,955.60

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Solution

The fourth proportional to 5,244.20, 7,863.60 and 1,955.60 is: 2,932.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.20 : 7,863.60 = 1,955.60 : x
  2. Step 2: Convert to fraction form
    5,244.20/7,863.60 = 1,955.60/x
  3. Step 3: Cross multiply
    5,244.20x = 7,863.60 × 1,955.60
  4. Step 4: Simplify right side
    5,244.20x = 15,378,056.16
  5. Step 5: Solve for x
    x = 15,378,056.16/5,244.20
  6. Step 6: Final answer
    x = 2,932.39

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1.5x scale

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.