Home / 7,009.75-9,673.50-3,866.05

Finding the Fourth Proportional to 7,009.75, 9,673.50 and 3,866.05

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Solution

The fourth proportional to 7,009.75, 9,673.50 and 3,866.05 is: 5,335.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.75 : 9,673.50 = 3,866.05 : x
  2. Step 2: Convert to fraction form
    7,009.75/9,673.50 = 3,866.05/x
  3. Step 3: Cross multiply
    7,009.75x = 9,673.50 × 3,866.05
  4. Step 4: Simplify right side
    7,009.75x = 37,398,234.68
  5. Step 5: Solve for x
    x = 37,398,234.68/7,009.75
  6. Step 6: Final answer
    x = 5,335.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.