Home / 5,296.30-7,947.69-2,177.80

Finding the Fourth Proportional to 5,296.30, 7,947.69 and 2,177.80

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Solution

The fourth proportional to 5,296.30, 7,947.69 and 2,177.80 is: 3,268.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,296.30 : 7,947.69 = 2,177.80 : x
  2. Step 2: Convert to fraction form
    5,296.30/7,947.69 = 2,177.80/x
  3. Step 3: Cross multiply
    5,296.30x = 7,947.69 × 2,177.80
  4. Step 4: Simplify right side
    5,296.30x = 17,308,479.28
  5. Step 5: Solve for x
    x = 17,308,479.28/5,296.30
  6. Step 6: Final answer
    x = 3,268.03

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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.