Home / 5,237.20-7,226.58-2,998.72

Finding the Fourth Proportional to 5,237.20, 7,226.58 and 2,998.72

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Solution

The fourth proportional to 5,237.20, 7,226.58 and 2,998.72 is: 4,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.20 : 7,226.58 = 2,998.72 : x
  2. Step 2: Convert to fraction form
    5,237.20/7,226.58 = 2,998.72/x
  3. Step 3: Cross multiply
    5,237.20x = 7,226.58 × 2,998.72
  4. Step 4: Simplify right side
    5,237.20x = 21,670,489.98
  5. Step 5: Solve for x
    x = 21,670,489.98/5,237.20
  6. Step 6: Final answer
    x = 4,137.80

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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.