Home / 7,468.20-11,207.70-4,177.80

Finding the Fourth Proportional to 7,468.20, 11,207.70 and 4,177.80

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Solution

The fourth proportional to 7,468.20, 11,207.70 and 4,177.80 is: 6,269.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,468.20 : 11,207.70 = 4,177.80 : x
  2. Step 2: Convert to fraction form
    7,468.20/11,207.70 = 4,177.80/x
  3. Step 3: Cross multiply
    7,468.20x = 11,207.70 × 4,177.80
  4. Step 4: Simplify right side
    7,468.20x = 46,823,529.06
  5. Step 5: Solve for x
    x = 46,823,529.06/7,468.20
  6. Step 6: Final answer
    x = 6,269.72

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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.