Home / 5,367.70-7,406.40-3,242.80

Finding the Fourth Proportional to 5,367.70, 7,406.40 and 3,242.80

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Solution

The fourth proportional to 5,367.70, 7,406.40 and 3,242.80 is: 4,474.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367.70 : 7,406.40 = 3,242.80 : x
  2. Step 2: Convert to fraction form
    5,367.70/7,406.40 = 3,242.80/x
  3. Step 3: Cross multiply
    5,367.70x = 7,406.40 × 3,242.80
  4. Step 4: Simplify right side
    5,367.70x = 24,017,473.92
  5. Step 5: Solve for x
    x = 24,017,473.92/5,367.70
  6. Step 6: Final answer
    x = 4,474.44

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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.