Home / 6,946.10-10,419.69-2,015.81

Finding the Fourth Proportional to 6,946.10, 10,419.69 and 2,015.81

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Solution

The fourth proportional to 6,946.10, 10,419.69 and 2,015.81 is: 3,023.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,946.10 : 10,419.69 = 2,015.81 : x
  2. Step 2: Convert to fraction form
    6,946.10/10,419.69 = 2,015.81/x
  3. Step 3: Cross multiply
    6,946.10x = 10,419.69 × 2,015.81
  4. Step 4: Simplify right side
    6,946.10x = 21,004,115.30
  5. Step 5: Solve for x
    x = 21,004,115.30/6,946.10
  6. Step 6: Final answer
    x = 3,023.87

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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.