Home / 5,289.00-7,934.91-2,655.79

Finding the Fourth Proportional to 5,289.00, 7,934.91 and 2,655.79

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Solution

The fourth proportional to 5,289.00, 7,934.91 and 2,655.79 is: 3,984.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.00 : 7,934.91 = 2,655.79 : x
  2. Step 2: Convert to fraction form
    5,289.00/7,934.91 = 2,655.79/x
  3. Step 3: Cross multiply
    5,289.00x = 7,934.91 × 2,655.79
  4. Step 4: Simplify right side
    5,289.00x = 21,073,439.77
  5. Step 5: Solve for x
    x = 21,073,439.77/5,289.00
  6. Step 6: Final answer
    x = 3,984.39

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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.