Home / 6,977.46-10,439.96-4,155.94

Finding the Fourth Proportional to 6,977.46, 10,439.96 and 4,155.94

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Solution

The fourth proportional to 6,977.46, 10,439.96 and 4,155.94 is: 6,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.46 : 10,439.96 = 4,155.94 : x
  2. Step 2: Convert to fraction form
    6,977.46/10,439.96 = 4,155.94/x
  3. Step 3: Cross multiply
    6,977.46x = 10,439.96 × 4,155.94
  4. Step 4: Simplify right side
    6,977.46x = 43,387,847.36
  5. Step 5: Solve for x
    x = 43,387,847.36/6,977.46
  6. Step 6: Final answer
    x = 6,218.29

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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.