Home / 5,359.40-7,393.49-3,471.60

Finding the Fourth Proportional to 5,359.40, 7,393.49 and 3,471.60

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Solution

The fourth proportional to 5,359.40, 7,393.49 and 3,471.60 is: 4,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.40 : 7,393.49 = 3,471.60 : x
  2. Step 2: Convert to fraction form
    5,359.40/7,393.49 = 3,471.60/x
  3. Step 3: Cross multiply
    5,359.40x = 7,393.49 × 3,471.60
  4. Step 4: Simplify right side
    5,359.40x = 25,667,263.27
  5. Step 5: Solve for x
    x = 25,667,263.27/5,359.40
  6. Step 6: Final answer
    x = 4,789.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.