Home / 5,298.37-7,947.20-2,177.57

Finding the Fourth Proportional to 5,298.37, 7,947.20 and 2,177.57

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Solution

The fourth proportional to 5,298.37, 7,947.20 and 2,177.57 is: 3,266.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.37 : 7,947.20 = 2,177.57 : x
  2. Step 2: Convert to fraction form
    5,298.37/7,947.20 = 2,177.57/x
  3. Step 3: Cross multiply
    5,298.37x = 7,947.20 × 2,177.57
  4. Step 4: Simplify right side
    5,298.37x = 17,305,584.30
  5. Step 5: Solve for x
    x = 17,305,584.30/5,298.37
  6. Step 6: Final answer
    x = 3,266.21

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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.