Home / 7,789.23-11,685.21-3,349.62

Finding the Fourth Proportional to 7,789.23, 11,685.21 and 3,349.62

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Solution

The fourth proportional to 7,789.23, 11,685.21 and 3,349.62 is: 5,025.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.23 : 11,685.21 = 3,349.62 : x
  2. Step 2: Convert to fraction form
    7,789.23/11,685.21 = 3,349.62/x
  3. Step 3: Cross multiply
    7,789.23x = 11,685.21 × 3,349.62
  4. Step 4: Simplify right side
    7,789.23x = 39,141,013.12
  5. Step 5: Solve for x
    x = 39,141,013.12/7,789.23
  6. Step 6: Final answer
    x = 5,025.02

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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.