Home / 6,908.10-10,340.10-5,450.10

Finding the Fourth Proportional to 6,908.10, 10,340.10 and 5,450.10

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Solution

The fourth proportional to 6,908.10, 10,340.10 and 5,450.10 is: 8,157.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908.10 : 10,340.10 = 5,450.10 : x
  2. Step 2: Convert to fraction form
    6,908.10/10,340.10 = 5,450.10/x
  3. Step 3: Cross multiply
    6,908.10x = 10,340.10 × 5,450.10
  4. Step 4: Simplify right side
    6,908.10x = 56,354,579.01
  5. Step 5: Solve for x
    x = 56,354,579.01/6,908.10
  6. Step 6: Final answer
    x = 8,157.75

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1.5x scale

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.