Home / 5,259.73-7,900.10-3,288.86

Finding the Fourth Proportional to 5,259.73, 7,900.10 and 3,288.86

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Solution

The fourth proportional to 5,259.73, 7,900.10 and 3,288.86 is: 4,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.73 : 7,900.10 = 3,288.86 : x
  2. Step 2: Convert to fraction form
    5,259.73/7,900.10 = 3,288.86/x
  3. Step 3: Cross multiply
    5,259.73x = 7,900.10 × 3,288.86
  4. Step 4: Simplify right side
    5,259.73x = 25,982,331.12
  5. Step 5: Solve for x
    x = 25,982,331.12/5,259.73
  6. Step 6: Final answer
    x = 4,939.86

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1.5x scale

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.