Home / 6,905.86-10,355.40-2,956.56

Finding the Fourth Proportional to 6,905.86, 10,355.40 and 2,956.56

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Solution

The fourth proportional to 6,905.86, 10,355.40 and 2,956.56 is: 4,433.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.86 : 10,355.40 = 2,956.56 : x
  2. Step 2: Convert to fraction form
    6,905.86/10,355.40 = 2,956.56/x
  3. Step 3: Cross multiply
    6,905.86x = 10,355.40 × 2,956.56
  4. Step 4: Simplify right side
    6,905.86x = 30,616,361.42
  5. Step 5: Solve for x
    x = 30,616,361.42/6,905.86
  6. Step 6: Final answer
    x = 4,433.39

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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.