Home / 6,945.84-10,420.29-2,015.64

Finding the Fourth Proportional to 6,945.84, 10,420.29 and 2,015.64

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Solution

The fourth proportional to 6,945.84, 10,420.29 and 2,015.64 is: 3,023.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.84 : 10,420.29 = 2,015.64 : x
  2. Step 2: Convert to fraction form
    6,945.84/10,420.29 = 2,015.64/x
  3. Step 3: Cross multiply
    6,945.84x = 10,420.29 × 2,015.64
  4. Step 4: Simplify right side
    6,945.84x = 21,003,553.34
  5. Step 5: Solve for x
    x = 21,003,553.34/6,945.84
  6. Step 6: Final answer
    x = 3,023.90

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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.