Home / 5,288.43-7,932.35-1,778.07

Finding the Fourth Proportional to 5,288.43, 7,932.35 and 1,778.07

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Solution

The fourth proportional to 5,288.43, 7,932.35 and 1,778.07 is: 2,667.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.43 : 7,932.35 = 1,778.07 : x
  2. Step 2: Convert to fraction form
    5,288.43/7,932.35 = 1,778.07/x
  3. Step 3: Cross multiply
    5,288.43x = 7,932.35 × 1,778.07
  4. Step 4: Simplify right side
    5,288.43x = 14,104,273.56
  5. Step 5: Solve for x
    x = 14,104,273.56/5,288.43
  6. Step 6: Final answer
    x = 2,667.01

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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.