Home / 5,391.70-7,439.52-3,266.80

Finding the Fourth Proportional to 5,391.70, 7,439.52 and 3,266.80

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Solution

The fourth proportional to 5,391.70, 7,439.52 and 3,266.80 is: 4,507.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.70 : 7,439.52 = 3,266.80 : x
  2. Step 2: Convert to fraction form
    5,391.70/7,439.52 = 3,266.80/x
  3. Step 3: Cross multiply
    5,391.70x = 7,439.52 × 3,266.80
  4. Step 4: Simplify right side
    5,391.70x = 24,303,423.94
  5. Step 5: Solve for x
    x = 24,303,423.94/5,391.70
  6. Step 6: Final answer
    x = 4,507.56

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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.