Home / 5,237.38-7,226.78-2,998.81

Finding the Fourth Proportional to 5,237.38, 7,226.78 and 2,998.81

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Solution

The fourth proportional to 5,237.38, 7,226.78 and 2,998.81 is: 4,137.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.38 : 7,226.78 = 2,998.81 : x
  2. Step 2: Convert to fraction form
    5,237.38/7,226.78 = 2,998.81/x
  3. Step 3: Cross multiply
    5,237.38x = 7,226.78 × 2,998.81
  4. Step 4: Simplify right side
    5,237.38x = 21,671,740.13
  5. Step 5: Solve for x
    x = 21,671,740.13/5,237.38
  6. Step 6: Final answer
    x = 4,137.90

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Half scale
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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.