Home / 6,939.81-10,411.27-2,009.84

Finding the Fourth Proportional to 6,939.81, 10,411.27 and 2,009.84

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Solution

The fourth proportional to 6,939.81, 10,411.27 and 2,009.84 is: 3,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.81 : 10,411.27 = 2,009.84 : x
  2. Step 2: Convert to fraction form
    6,939.81/10,411.27 = 2,009.84/x
  3. Step 3: Cross multiply
    6,939.81x = 10,411.27 × 2,009.84
  4. Step 4: Simplify right side
    6,939.81x = 20,924,929.82
  5. Step 5: Solve for x
    x = 20,924,929.82/6,939.81
  6. Step 6: Final answer
    x = 3,015.20

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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.