Home / 4,789.40-7,188.19-3,664.00

Finding the Fourth Proportional to 4,789.40, 7,188.19 and 3,664.00

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Solution

The fourth proportional to 4,789.40, 7,188.19 and 3,664.00 is: 5,499.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.40 : 7,188.19 = 3,664.00 : x
  2. Step 2: Convert to fraction form
    4,789.40/7,188.19 = 3,664.00/x
  3. Step 3: Cross multiply
    4,789.40x = 7,188.19 × 3,664.00
  4. Step 4: Simplify right side
    4,789.40x = 26,337,548.60
  5. Step 5: Solve for x
    x = 26,337,548.60/4,789.40
  6. Step 6: Final answer
    x = 5,499.14

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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.