Home / 6,939.45-10,410.54-2,009.13

Finding the Fourth Proportional to 6,939.45, 10,410.54 and 2,009.13

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Solution

The fourth proportional to 6,939.45, 10,410.54 and 2,009.13 is: 3,014.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.45 : 10,410.54 = 2,009.13 : x
  2. Step 2: Convert to fraction form
    6,939.45/10,410.54 = 2,009.13/x
  3. Step 3: Cross multiply
    6,939.45x = 10,410.54 × 2,009.13
  4. Step 4: Simplify right side
    6,939.45x = 20,916,135.76
  5. Step 5: Solve for x
    x = 20,916,135.76/6,939.45
  6. Step 6: Final answer
    x = 3,014.09

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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.